Home / 4,344.56-5,990.63-3,147.17

Finding the Fourth Proportional to 4,344.56, 5,990.63 and 3,147.17

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Solution

The fourth proportional to 4,344.56, 5,990.63 and 3,147.17 is: 4,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,344.56 : 5,990.63 = 3,147.17 : x
  2. Step 2: Convert to fraction form
    4,344.56/5,990.63 = 3,147.17/x
  3. Step 3: Cross multiply
    4,344.56x = 5,990.63 × 3,147.17
  4. Step 4: Simplify right side
    4,344.56x = 18,853,553.86
  5. Step 5: Solve for x
    x = 18,853,553.86/4,344.56
  6. Step 6: Final answer
    x = 4,339.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.