Home / 6,115.97-9,153.11-4,242.50

Finding the Fourth Proportional to 6,115.97, 9,153.11 and 4,242.50

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Solution

The fourth proportional to 6,115.97, 9,153.11 and 4,242.50 is: 6,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.97 : 9,153.11 = 4,242.50 : x
  2. Step 2: Convert to fraction form
    6,115.97/9,153.11 = 4,242.50/x
  3. Step 3: Cross multiply
    6,115.97x = 9,153.11 × 4,242.50
  4. Step 4: Simplify right side
    6,115.97x = 38,832,002.20
  5. Step 5: Solve for x
    x = 38,832,002.20/6,115.97
  6. Step 6: Final answer
    x = 6,349.28

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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.