Home / 9,229.55-12,726.69-6,240.20

Finding the Fourth Proportional to 9,229.55, 12,726.69 and 6,240.20

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Solution

The fourth proportional to 9,229.55, 12,726.69 and 6,240.20 is: 8,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.55 : 12,726.69 = 6,240.20 : x
  2. Step 2: Convert to fraction form
    9,229.55/12,726.69 = 6,240.20/x
  3. Step 3: Cross multiply
    9,229.55x = 12,726.69 × 6,240.20
  4. Step 4: Simplify right side
    9,229.55x = 79,417,027.30
  5. Step 5: Solve for x
    x = 79,417,027.30/9,229.55
  6. Step 6: Final answer
    x = 8,604.65

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Half 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.