Home / 8,929.74-13,397.85-3,086.94

Finding the Fourth Proportional to 8,929.74, 13,397.85 and 3,086.94

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Solution

The fourth proportional to 8,929.74, 13,397.85 and 3,086.94 is: 4,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.74 : 13,397.85 = 3,086.94 : x
  2. Step 2: Convert to fraction form
    8,929.74/13,397.85 = 3,086.94/x
  3. Step 3: Cross multiply
    8,929.74x = 13,397.85 × 3,086.94
  4. Step 4: Simplify right side
    8,929.74x = 41,358,359.08
  5. Step 5: Solve for x
    x = 41,358,359.08/8,929.74
  6. Step 6: Final answer
    x = 4,631.53

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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.