Home / 4,385.91-6,572.79-3,147.84

Finding the Fourth Proportional to 4,385.91, 6,572.79 and 3,147.84

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Solution

The fourth proportional to 4,385.91, 6,572.79 and 3,147.84 is: 4,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.91 : 6,572.79 = 3,147.84 : x
  2. Step 2: Convert to fraction form
    4,385.91/6,572.79 = 3,147.84/x
  3. Step 3: Cross multiply
    4,385.91x = 6,572.79 × 3,147.84
  4. Step 4: Simplify right side
    4,385.91x = 20,690,091.27
  5. Step 5: Solve for x
    x = 20,690,091.27/4,385.91
  6. Step 6: Final answer
    x = 4,717.40

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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.