Home / 4,147.52-6,221.28-1,226.08

Finding the Fourth Proportional to 4,147.52, 6,221.28 and 1,226.08

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Solution

The fourth proportional to 4,147.52, 6,221.28 and 1,226.08 is: 1,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.52 : 6,221.28 = 1,226.08 : x
  2. Step 2: Convert to fraction form
    4,147.52/6,221.28 = 1,226.08/x
  3. Step 3: Cross multiply
    4,147.52x = 6,221.28 × 1,226.08
  4. Step 4: Simplify right side
    4,147.52x = 7,627,786.98
  5. Step 5: Solve for x
    x = 7,627,786.98/4,147.52
  6. Step 6: Final answer
    x = 1,839.12

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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.