Home / 8,463.23-12,687.55-4,083.76

Finding the Fourth Proportional to 8,463.23, 12,687.55 and 4,083.76

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Solution

The fourth proportional to 8,463.23, 12,687.55 and 4,083.76 is: 6,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.23 : 12,687.55 = 4,083.76 : x
  2. Step 2: Convert to fraction form
    8,463.23/12,687.55 = 4,083.76/x
  3. Step 3: Cross multiply
    8,463.23x = 12,687.55 × 4,083.76
  4. Step 4: Simplify right side
    8,463.23x = 51,812,825.33
  5. Step 5: Solve for x
    x = 51,812,825.33/8,463.23
  6. Step 6: Final answer
    x = 6,122.11

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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.