Home / 8,292.07-12,443.57-3,909.97

Finding the Fourth Proportional to 8,292.07, 12,443.57 and 3,909.97

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Solution

The fourth proportional to 8,292.07, 12,443.57 and 3,909.97 is: 5,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.07 : 12,443.57 = 3,909.97 : x
  2. Step 2: Convert to fraction form
    8,292.07/12,443.57 = 3,909.97/x
  3. Step 3: Cross multiply
    8,292.07x = 12,443.57 × 3,909.97
  4. Step 4: Simplify right side
    8,292.07x = 48,653,985.39
  5. Step 5: Solve for x
    x = 48,653,985.39/8,292.07
  6. Step 6: Final answer
    x = 5,867.53

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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.