Home / 6,057.20-9,085.89-3,990.44

Finding the Fourth Proportional to 6,057.20, 9,085.89 and 3,990.44

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Solution

The fourth proportional to 6,057.20, 9,085.89 and 3,990.44 is: 5,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,057.20 : 9,085.89 = 3,990.44 : x
  2. Step 2: Convert to fraction form
    6,057.20/9,085.89 = 3,990.44/x
  3. Step 3: Cross multiply
    6,057.20x = 9,085.89 × 3,990.44
  4. Step 4: Simplify right side
    6,057.20x = 36,256,736.57
  5. Step 5: Solve for x
    x = 36,256,736.57/6,057.20
  6. Step 6: Final answer
    x = 5,985.72

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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.