Home / 8,601.28-12,901.86-2,445.28

Finding the Fourth Proportional to 8,601.28, 12,901.86 and 2,445.28

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Solution

The fourth proportional to 8,601.28, 12,901.86 and 2,445.28 is: 3,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.28 : 12,901.86 = 2,445.28 : x
  2. Step 2: Convert to fraction form
    8,601.28/12,901.86 = 2,445.28/x
  3. Step 3: Cross multiply
    8,601.28x = 12,901.86 × 2,445.28
  4. Step 4: Simplify right side
    8,601.28x = 31,548,660.22
  5. Step 5: Solve for x
    x = 31,548,660.22/8,601.28
  6. Step 6: Final answer
    x = 3,667.90

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Double scale
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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.