Home / 8,711.60-13,077.24-3,521.12

Finding the Fourth Proportional to 8,711.60, 13,077.24 and 3,521.12

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Solution

The fourth proportional to 8,711.60, 13,077.24 and 3,521.12 is: 5,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.60 : 13,077.24 = 3,521.12 : x
  2. Step 2: Convert to fraction form
    8,711.60/13,077.24 = 3,521.12/x
  3. Step 3: Cross multiply
    8,711.60x = 13,077.24 × 3,521.12
  4. Step 4: Simplify right side
    8,711.60x = 46,046,531.31
  5. Step 5: Solve for x
    x = 46,046,531.31/8,711.60
  6. Step 6: Final answer
    x = 5,285.66

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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.