Home / 5,011.31-7,517.91-1,547.75

Finding the Fourth Proportional to 5,011.31, 7,517.91 and 1,547.75

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Solution

The fourth proportional to 5,011.31, 7,517.91 and 1,547.75 is: 2,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.31 : 7,517.91 = 1,547.75 : x
  2. Step 2: Convert to fraction form
    5,011.31/7,517.91 = 1,547.75/x
  3. Step 3: Cross multiply
    5,011.31x = 7,517.91 × 1,547.75
  4. Step 4: Simplify right side
    5,011.31x = 11,635,845.20
  5. Step 5: Solve for x
    x = 11,635,845.20/5,011.31
  6. Step 6: Final answer
    x = 2,321.92

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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.