Home / 8,685.27-13,027.91-2,445.28

Finding the Fourth Proportional to 8,685.27, 13,027.91 and 2,445.28

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Solution

The fourth proportional to 8,685.27, 13,027.91 and 2,445.28 is: 3,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.27 : 13,027.91 = 2,445.28 : x
  2. Step 2: Convert to fraction form
    8,685.27/13,027.91 = 2,445.28/x
  3. Step 3: Cross multiply
    8,685.27x = 13,027.91 × 2,445.28
  4. Step 4: Simplify right side
    8,685.27x = 31,856,891.82
  5. Step 5: Solve for x
    x = 31,856,891.82/8,685.27
  6. Step 6: Final answer
    x = 3,667.92

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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.