Home / 7,079.67-10,619.15-1,885.55

Finding the Fourth Proportional to 7,079.67, 10,619.15 and 1,885.55

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Solution

The fourth proportional to 7,079.67, 10,619.15 and 1,885.55 is: 2,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.67 : 10,619.15 = 1,885.55 : x
  2. Step 2: Convert to fraction form
    7,079.67/10,619.15 = 1,885.55/x
  3. Step 3: Cross multiply
    7,079.67x = 10,619.15 × 1,885.55
  4. Step 4: Simplify right side
    7,079.67x = 20,022,875.76
  5. Step 5: Solve for x
    x = 20,022,875.76/7,079.67
  6. Step 6: Final answer
    x = 2,828.22

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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.