Home / 8,787.48-13,182.97-3,240.85

Finding the Fourth Proportional to 8,787.48, 13,182.97 and 3,240.85

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Solution

The fourth proportional to 8,787.48, 13,182.97 and 3,240.85 is: 4,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.48 : 13,182.97 = 3,240.85 : x
  2. Step 2: Convert to fraction form
    8,787.48/13,182.97 = 3,240.85/x
  3. Step 3: Cross multiply
    8,787.48x = 13,182.97 × 3,240.85
  4. Step 4: Simplify right side
    8,787.48x = 42,723,962.41
  5. Step 5: Solve for x
    x = 42,723,962.41/8,787.48
  6. Step 6: Final answer
    x = 4,861.92

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1.5x scale

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.