Home / 6,103.28-9,154.88-2,207.68

Finding the Fourth Proportional to 6,103.28, 9,154.88 and 2,207.68

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Solution

The fourth proportional to 6,103.28, 9,154.88 and 2,207.68 is: 3,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.28 : 9,154.88 = 2,207.68 : x
  2. Step 2: Convert to fraction form
    6,103.28/9,154.88 = 2,207.68/x
  3. Step 3: Cross multiply
    6,103.28x = 9,154.88 × 2,207.68
  4. Step 4: Simplify right side
    6,103.28x = 20,211,045.48
  5. Step 5: Solve for x
    x = 20,211,045.48/6,103.28
  6. Step 6: Final answer
    x = 3,311.51

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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.