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Finding the Fourth Proportional to 7,079.67, 10,619.55 and 1,885.50

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Solution

The fourth proportional to 7,079.67, 10,619.55 and 1,885.50 is: 2,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.67 : 10,619.55 = 1,885.50 : x
  2. Step 2: Convert to fraction form
    7,079.67/10,619.55 = 1,885.50/x
  3. Step 3: Cross multiply
    7,079.67x = 10,619.55 × 1,885.50
  4. Step 4: Simplify right side
    7,079.67x = 20,023,161.53
  5. Step 5: Solve for x
    x = 20,023,161.53/7,079.67
  6. Step 6: Final answer
    x = 2,828.26

Related Problems

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Half scale
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Double scale
Find fourth proportional to 7,080.67, 10,621.05 and 1,886.50
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.