Home / 6,283.20-9,424.78-1,666.20

Finding the Fourth Proportional to 6,283.20, 9,424.78 and 1,666.20

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Solution

The fourth proportional to 6,283.20, 9,424.78 and 1,666.20 is: 2,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.20 : 9,424.78 = 1,666.20 : x
  2. Step 2: Convert to fraction form
    6,283.20/9,424.78 = 1,666.20/x
  3. Step 3: Cross multiply
    6,283.20x = 9,424.78 × 1,666.20
  4. Step 4: Simplify right side
    6,283.20x = 15,703,568.44
  5. Step 5: Solve for x
    x = 15,703,568.44/6,283.20
  6. Step 6: Final answer
    x = 2,499.29

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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.