Home / 8,283.55-12,425.34-2,440.09

Finding the Fourth Proportional to 8,283.55, 12,425.34 and 2,440.09

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Solution

The fourth proportional to 8,283.55, 12,425.34 and 2,440.09 is: 3,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.55 : 12,425.34 = 2,440.09 : x
  2. Step 2: Convert to fraction form
    8,283.55/12,425.34 = 2,440.09/x
  3. Step 3: Cross multiply
    8,283.55x = 12,425.34 × 2,440.09
  4. Step 4: Simplify right side
    8,283.55x = 30,318,947.88
  5. Step 5: Solve for x
    x = 30,318,947.88/8,283.55
  6. Step 6: Final answer
    x = 3,660.14

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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.