Home / 8,601.18-11,872.23-7,434.78

Finding the Fourth Proportional to 8,601.18, 11,872.23 and 7,434.78

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Solution

The fourth proportional to 8,601.18, 11,872.23 and 7,434.78 is: 10,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.18 : 11,872.23 = 7,434.78 : x
  2. Step 2: Convert to fraction form
    8,601.18/11,872.23 = 7,434.78/x
  3. Step 3: Cross multiply
    8,601.18x = 11,872.23 × 7,434.78
  4. Step 4: Simplify right side
    8,601.18x = 88,267,418.16
  5. Step 5: Solve for x
    x = 88,267,418.16/8,601.18
  6. Step 6: Final answer
    x = 10,262.25

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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.