Home / 5,987.78-8,981.66-1,827.80

Finding the Fourth Proportional to 5,987.78, 8,981.66 and 1,827.80

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Solution

The fourth proportional to 5,987.78, 8,981.66 and 1,827.80 is: 2,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.78 : 8,981.66 = 1,827.80 : x
  2. Step 2: Convert to fraction form
    5,987.78/8,981.66 = 1,827.80/x
  3. Step 3: Cross multiply
    5,987.78x = 8,981.66 × 1,827.80
  4. Step 4: Simplify right side
    5,987.78x = 16,416,691.46
  5. Step 5: Solve for x
    x = 16,416,691.46/5,987.78
  6. Step 6: Final answer
    x = 2,741.70

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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.