Home / 8,929.73-13,391.92-5,603.03

Finding the Fourth Proportional to 8,929.73, 13,391.92 and 5,603.03

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Solution

The fourth proportional to 8,929.73, 13,391.92 and 5,603.03 is: 8,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.73 : 13,391.92 = 5,603.03 : x
  2. Step 2: Convert to fraction form
    8,929.73/13,391.92 = 5,603.03/x
  3. Step 3: Cross multiply
    8,929.73x = 13,391.92 × 5,603.03
  4. Step 4: Simplify right side
    8,929.73x = 75,035,288.26
  5. Step 5: Solve for x
    x = 75,035,288.26/8,929.73
  6. Step 6: Final answer
    x = 8,402.86

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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.