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Finding the Fourth Proportional to 7,079.93, 10,619.88 and 1,885.81

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Solution

The fourth proportional to 7,079.93, 10,619.88 and 1,885.81 is: 2,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.93 : 10,619.88 = 1,885.81 : x
  2. Step 2: Convert to fraction form
    7,079.93/10,619.88 = 1,885.81/x
  3. Step 3: Cross multiply
    7,079.93x = 10,619.88 × 1,885.81
  4. Step 4: Simplify right side
    7,079.93x = 20,027,075.90
  5. Step 5: Solve for x
    x = 20,027,075.90/7,079.93
  6. Step 6: Final answer
    x = 2,828.71

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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.