Home / 7,726.12-11,589.18-2,794.61

Finding the Fourth Proportional to 7,726.12, 11,589.18 and 2,794.61

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Solution

The fourth proportional to 7,726.12, 11,589.18 and 2,794.61 is: 4,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.12 : 11,589.18 = 2,794.61 : x
  2. Step 2: Convert to fraction form
    7,726.12/11,589.18 = 2,794.61/x
  3. Step 3: Cross multiply
    7,726.12x = 11,589.18 × 2,794.61
  4. Step 4: Simplify right side
    7,726.12x = 32,387,264.67
  5. Step 5: Solve for x
    x = 32,387,264.67/7,726.12
  6. Step 6: Final answer
    x = 4,191.92

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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.