Home / 8,750.72-13,131.20-3,282.56

Finding the Fourth Proportional to 8,750.72, 13,131.20 and 3,282.56

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Solution

The fourth proportional to 8,750.72, 13,131.20 and 3,282.56 is: 4,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.72 : 13,131.20 = 3,282.56 : x
  2. Step 2: Convert to fraction form
    8,750.72/13,131.20 = 3,282.56/x
  3. Step 3: Cross multiply
    8,750.72x = 13,131.20 × 3,282.56
  4. Step 4: Simplify right side
    8,750.72x = 43,103,951.87
  5. Step 5: Solve for x
    x = 43,103,951.87/8,750.72
  6. Step 6: Final answer
    x = 4,925.76

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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.