Home / 8,318.76-12,480.18-2,475.36

Finding the Fourth Proportional to 8,318.76, 12,480.18 and 2,475.36

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Solution

The fourth proportional to 8,318.76, 12,480.18 and 2,475.36 is: 3,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.76 : 12,480.18 = 2,475.36 : x
  2. Step 2: Convert to fraction form
    8,318.76/12,480.18 = 2,475.36/x
  3. Step 3: Cross multiply
    8,318.76x = 12,480.18 × 2,475.36
  4. Step 4: Simplify right side
    8,318.76x = 30,892,938.36
  5. Step 5: Solve for x
    x = 30,892,938.36/8,318.76
  6. Step 6: Final answer
    x = 3,713.65

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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.