Home / 8,945.76-13,407.84-6,463.38

Finding the Fourth Proportional to 8,945.76, 13,407.84 and 6,463.38

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Solution

The fourth proportional to 8,945.76, 13,407.84 and 6,463.38 is: 9,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.76 : 13,407.84 = 6,463.38 : x
  2. Step 2: Convert to fraction form
    8,945.76/13,407.84 = 6,463.38/x
  3. Step 3: Cross multiply
    8,945.76x = 13,407.84 × 6,463.38
  4. Step 4: Simplify right side
    8,945.76x = 86,659,964.90
  5. Step 5: Solve for x
    x = 86,659,964.90/8,945.76
  6. Step 6: Final answer
    x = 9,687.27

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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.