Home / 5,583.28-8,374.96-1,687.68

Finding the Fourth Proportional to 5,583.28, 8,374.96 and 1,687.68

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Solution

The fourth proportional to 5,583.28, 8,374.96 and 1,687.68 is: 2,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.28 : 8,374.96 = 1,687.68 : x
  2. Step 2: Convert to fraction form
    5,583.28/8,374.96 = 1,687.68/x
  3. Step 3: Cross multiply
    5,583.28x = 8,374.96 × 1,687.68
  4. Step 4: Simplify right side
    5,583.28x = 14,134,252.49
  5. Step 5: Solve for x
    x = 14,134,252.49/5,583.28
  6. Step 6: Final answer
    x = 2,531.53

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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.