Home / 8,729.91-13,084.47-6,083.09

Finding the Fourth Proportional to 8,729.91, 13,084.47 and 6,083.09

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Solution

The fourth proportional to 8,729.91, 13,084.47 and 6,083.09 is: 9,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.91 : 13,084.47 = 6,083.09 : x
  2. Step 2: Convert to fraction form
    8,729.91/13,084.47 = 6,083.09/x
  3. Step 3: Cross multiply
    8,729.91x = 13,084.47 × 6,083.09
  4. Step 4: Simplify right side
    8,729.91x = 79,594,008.61
  5. Step 5: Solve for x
    x = 79,594,008.61/8,729.91
  6. Step 6: Final answer
    x = 9,117.39

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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.