Home / 8,458.50-12,688.35-2,614.35

Finding the Fourth Proportional to 8,458.50, 12,688.35 and 2,614.35

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Solution

The fourth proportional to 8,458.50, 12,688.35 and 2,614.35 is: 3,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.50 : 12,688.35 = 2,614.35 : x
  2. Step 2: Convert to fraction form
    8,458.50/12,688.35 = 2,614.35/x
  3. Step 3: Cross multiply
    8,458.50x = 12,688.35 × 2,614.35
  4. Step 4: Simplify right side
    8,458.50x = 33,171,787.82
  5. Step 5: Solve for x
    x = 33,171,787.82/8,458.50
  6. Step 6: Final answer
    x = 3,921.71

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Half scale
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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.