Home / 5,284.59-7,926.90-1,587.21

Finding the Fourth Proportional to 5,284.59, 7,926.90 and 1,587.21

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Solution

The fourth proportional to 5,284.59, 7,926.90 and 1,587.21 is: 2,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.59 : 7,926.90 = 1,587.21 : x
  2. Step 2: Convert to fraction form
    5,284.59/7,926.90 = 1,587.21/x
  3. Step 3: Cross multiply
    5,284.59x = 7,926.90 × 1,587.21
  4. Step 4: Simplify right side
    5,284.59x = 12,581,654.95
  5. Step 5: Solve for x
    x = 12,581,654.95/5,284.59
  6. Step 6: Final answer
    x = 2,380.82

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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.