Home / 8,929.24-13,397.10-3,086.44

Finding the Fourth Proportional to 8,929.24, 13,397.10 and 3,086.44

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Solution

The fourth proportional to 8,929.24, 13,397.10 and 3,086.44 is: 4,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.24 : 13,397.10 = 3,086.44 : x
  2. Step 2: Convert to fraction form
    8,929.24/13,397.10 = 3,086.44/x
  3. Step 3: Cross multiply
    8,929.24x = 13,397.10 × 3,086.44
  4. Step 4: Simplify right side
    8,929.24x = 41,349,345.32
  5. Step 5: Solve for x
    x = 41,349,345.32/8,929.24
  6. Step 6: Final answer
    x = 4,630.78

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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.