Home / 8,717.98-13,083.15-3,789.06

Finding the Fourth Proportional to 8,717.98, 13,083.15 and 3,789.06

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Solution

The fourth proportional to 8,717.98, 13,083.15 and 3,789.06 is: 5,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.98 : 13,083.15 = 3,789.06 : x
  2. Step 2: Convert to fraction form
    8,717.98/13,083.15 = 3,789.06/x
  3. Step 3: Cross multiply
    8,717.98x = 13,083.15 × 3,789.06
  4. Step 4: Simplify right side
    8,717.98x = 49,572,821.39
  5. Step 5: Solve for x
    x = 49,572,821.39/8,717.98
  6. Step 6: Final answer
    x = 5,686.27

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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.