Home / 6,772.20-10,158.30-6,484.20

Finding the Fourth Proportional to 6,772.20, 10,158.30 and 6,484.20

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Solution

The fourth proportional to 6,772.20, 10,158.30 and 6,484.20 is: 9,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.20 : 10,158.30 = 6,484.20 : x
  2. Step 2: Convert to fraction form
    6,772.20/10,158.30 = 6,484.20/x
  3. Step 3: Cross multiply
    6,772.20x = 10,158.30 × 6,484.20
  4. Step 4: Simplify right side
    6,772.20x = 65,868,448.86
  5. Step 5: Solve for x
    x = 65,868,448.86/6,772.20
  6. Step 6: Final answer
    x = 9,726.30

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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.