Home / 9,140.62-13,708.13-4,755.70

Finding the Fourth Proportional to 9,140.62, 13,708.13 and 4,755.70

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Solution

The fourth proportional to 9,140.62, 13,708.13 and 4,755.70 is: 7,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.62 : 13,708.13 = 4,755.70 : x
  2. Step 2: Convert to fraction form
    9,140.62/13,708.13 = 4,755.70/x
  3. Step 3: Cross multiply
    9,140.62x = 13,708.13 × 4,755.70
  4. Step 4: Simplify right side
    9,140.62x = 65,191,753.84
  5. Step 5: Solve for x
    x = 65,191,753.84/9,140.62
  6. Step 6: Final answer
    x = 7,132.09

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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.