Home / 6,085.20-9,127.80-2,187.12

Finding the Fourth Proportional to 6,085.20, 9,127.80 and 2,187.12

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Solution

The fourth proportional to 6,085.20, 9,127.80 and 2,187.12 is: 3,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.20 : 9,127.80 = 2,187.12 : x
  2. Step 2: Convert to fraction form
    6,085.20/9,127.80 = 2,187.12/x
  3. Step 3: Cross multiply
    6,085.20x = 9,127.80 × 2,187.12
  4. Step 4: Simplify right side
    6,085.20x = 19,963,593.94
  5. Step 5: Solve for x
    x = 19,963,593.94/6,085.20
  6. Step 6: Final answer
    x = 3,280.68

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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.