Home / 6,151.90-9,229.18-1,992.33

Finding the Fourth Proportional to 6,151.90, 9,229.18 and 1,992.33

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Solution

The fourth proportional to 6,151.90, 9,229.18 and 1,992.33 is: 2,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.90 : 9,229.18 = 1,992.33 : x
  2. Step 2: Convert to fraction form
    6,151.90/9,229.18 = 1,992.33/x
  3. Step 3: Cross multiply
    6,151.90x = 9,229.18 × 1,992.33
  4. Step 4: Simplify right side
    6,151.90x = 18,387,526.04
  5. Step 5: Solve for x
    x = 18,387,526.04/6,151.90
  6. Step 6: Final answer
    x = 2,988.92

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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.