Home / 8,877.20-13,314.50-3,540.36

Finding the Fourth Proportional to 8,877.20, 13,314.50 and 3,540.36

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Solution

The fourth proportional to 8,877.20, 13,314.50 and 3,540.36 is: 5,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.20 : 13,314.50 = 3,540.36 : x
  2. Step 2: Convert to fraction form
    8,877.20/13,314.50 = 3,540.36/x
  3. Step 3: Cross multiply
    8,877.20x = 13,314.50 × 3,540.36
  4. Step 4: Simplify right side
    8,877.20x = 47,138,123.22
  5. Step 5: Solve for x
    x = 47,138,123.22/8,877.20
  6. Step 6: Final answer
    x = 5,310.02

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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.