Home / 8,283.05-12,424.59-2,439.59

Finding the Fourth Proportional to 8,283.05, 12,424.59 and 2,439.59

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Solution

The fourth proportional to 8,283.05, 12,424.59 and 2,439.59 is: 3,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.05 : 12,424.59 = 2,439.59 : x
  2. Step 2: Convert to fraction form
    8,283.05/12,424.59 = 2,439.59/x
  3. Step 3: Cross multiply
    8,283.05x = 12,424.59 × 2,439.59
  4. Step 4: Simplify right side
    8,283.05x = 30,310,905.52
  5. Step 5: Solve for x
    x = 30,310,905.52/8,283.05
  6. Step 6: Final answer
    x = 3,659.39

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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.