Home / 9,218.28-12,726.82-6,234.60

Finding the Fourth Proportional to 9,218.28, 12,726.82 and 6,234.60

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Solution

The fourth proportional to 9,218.28, 12,726.82 and 6,234.60 is: 8,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.28 : 12,726.82 = 6,234.60 : x
  2. Step 2: Convert to fraction form
    9,218.28/12,726.82 = 6,234.60/x
  3. Step 3: Cross multiply
    9,218.28x = 12,726.82 × 6,234.60
  4. Step 4: Simplify right side
    9,218.28x = 79,346,631.97
  5. Step 5: Solve for x
    x = 79,346,631.97/9,218.28
  6. Step 6: Final answer
    x = 8,607.53

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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.