Home / 9,107.21-12,568.27-5,330.73

Finding the Fourth Proportional to 9,107.21, 12,568.27 and 5,330.73

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Solution

The fourth proportional to 9,107.21, 12,568.27 and 5,330.73 is: 7,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.21 : 12,568.27 = 5,330.73 : x
  2. Step 2: Convert to fraction form
    9,107.21/12,568.27 = 5,330.73/x
  3. Step 3: Cross multiply
    9,107.21x = 12,568.27 × 5,330.73
  4. Step 4: Simplify right side
    9,107.21x = 66,998,040.61
  5. Step 5: Solve for x
    x = 66,998,040.61/9,107.21
  6. Step 6: Final answer
    x = 7,356.59

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Half scale
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Double scale
Find fourth proportional to 9,108.21, 12,569.65 and 5,331.73
Similar ratio
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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.