Home / 5,009.31-7,514.91-1,545.75

Finding the Fourth Proportional to 5,009.31, 7,514.91 and 1,545.75

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Solution

The fourth proportional to 5,009.31, 7,514.91 and 1,545.75 is: 2,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.31 : 7,514.91 = 1,545.75 : x
  2. Step 2: Convert to fraction form
    5,009.31/7,514.91 = 1,545.75/x
  3. Step 3: Cross multiply
    5,009.31x = 7,514.91 × 1,545.75
  4. Step 4: Simplify right side
    5,009.31x = 11,616,172.13
  5. Step 5: Solve for x
    x = 11,616,172.13/5,009.31
  6. Step 6: Final answer
    x = 2,318.92

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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.