Home / 9,617.28-14,428.32-5,239.20

Finding the Fourth Proportional to 9,617.28, 14,428.32 and 5,239.20

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Solution

The fourth proportional to 9,617.28, 14,428.32 and 5,239.20 is: 7,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.28 : 14,428.32 = 5,239.20 : x
  2. Step 2: Convert to fraction form
    9,617.28/14,428.32 = 5,239.20/x
  3. Step 3: Cross multiply
    9,617.28x = 14,428.32 × 5,239.20
  4. Step 4: Simplify right side
    9,617.28x = 75,592,854.14
  5. Step 5: Solve for x
    x = 75,592,854.14/9,617.28
  6. Step 6: Final answer
    x = 7,860.11

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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.