Home / 5,514.90-8,272.35-1,817.70

Finding the Fourth Proportional to 5,514.90, 8,272.35 and 1,817.70

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Solution

The fourth proportional to 5,514.90, 8,272.35 and 1,817.70 is: 2,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.90 : 8,272.35 = 1,817.70 : x
  2. Step 2: Convert to fraction form
    5,514.90/8,272.35 = 1,817.70/x
  3. Step 3: Cross multiply
    5,514.90x = 8,272.35 × 1,817.70
  4. Step 4: Simplify right side
    5,514.90x = 15,036,650.60
  5. Step 5: Solve for x
    x = 15,036,650.60/5,514.90
  6. Step 6: Final answer
    x = 2,726.55

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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.