Home / 8,637.38-12,957.96-2,793.91

Finding the Fourth Proportional to 8,637.38, 12,957.96 and 2,793.91

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Solution

The fourth proportional to 8,637.38, 12,957.96 and 2,793.91 is: 4,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.38 : 12,957.96 = 2,793.91 : x
  2. Step 2: Convert to fraction form
    8,637.38/12,957.96 = 2,793.91/x
  3. Step 3: Cross multiply
    8,637.38x = 12,957.96 × 2,793.91
  4. Step 4: Simplify right side
    8,637.38x = 36,203,309.23
  5. Step 5: Solve for x
    x = 36,203,309.23/8,637.38
  6. Step 6: Final answer
    x = 4,191.47

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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.