Home / 8,085.89-12,129.02-2,242.47

Finding the Fourth Proportional to 8,085.89, 12,129.02 and 2,242.47

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Solution

The fourth proportional to 8,085.89, 12,129.02 and 2,242.47 is: 3,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.89 : 12,129.02 = 2,242.47 : x
  2. Step 2: Convert to fraction form
    8,085.89/12,129.02 = 2,242.47/x
  3. Step 3: Cross multiply
    8,085.89x = 12,129.02 × 2,242.47
  4. Step 4: Simplify right side
    8,085.89x = 27,198,952.27
  5. Step 5: Solve for x
    x = 27,198,952.27/8,085.89
  6. Step 6: Final answer
    x = 3,363.76

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Double scale
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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.