Home / 8,760.28-13,140.42-4,373.32

Finding the Fourth Proportional to 8,760.28, 13,140.42 and 4,373.32

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Solution

The fourth proportional to 8,760.28, 13,140.42 and 4,373.32 is: 6,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.28 : 13,140.42 = 4,373.32 : x
  2. Step 2: Convert to fraction form
    8,760.28/13,140.42 = 4,373.32/x
  3. Step 3: Cross multiply
    8,760.28x = 13,140.42 × 4,373.32
  4. Step 4: Simplify right side
    8,760.28x = 57,467,261.59
  5. Step 5: Solve for x
    x = 57,467,261.59/8,760.28
  6. Step 6: Final answer
    x = 6,559.98

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Similar ratio
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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.