Home / 4,047.52-6,071.28-1,126.12

Finding the Fourth Proportional to 4,047.52, 6,071.28 and 1,126.12

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Solution

The fourth proportional to 4,047.52, 6,071.28 and 1,126.12 is: 1,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.52 : 6,071.28 = 1,126.12 : x
  2. Step 2: Convert to fraction form
    4,047.52/6,071.28 = 1,126.12/x
  3. Step 3: Cross multiply
    4,047.52x = 6,071.28 × 1,126.12
  4. Step 4: Simplify right side
    4,047.52x = 6,836,989.83
  5. Step 5: Solve for x
    x = 6,836,989.83/4,047.52
  6. Step 6: Final answer
    x = 1,689.18

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Half scale
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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.