Home / 9,110.54-13,658.45-3,842.15

Finding the Fourth Proportional to 9,110.54, 13,658.45 and 3,842.15

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Solution

The fourth proportional to 9,110.54, 13,658.45 and 3,842.15 is: 5,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.54 : 13,658.45 = 3,842.15 : x
  2. Step 2: Convert to fraction form
    9,110.54/13,658.45 = 3,842.15/x
  3. Step 3: Cross multiply
    9,110.54x = 13,658.45 × 3,842.15
  4. Step 4: Simplify right side
    9,110.54x = 52,477,726.16
  5. Step 5: Solve for x
    x = 52,477,726.16/9,110.54
  6. Step 6: Final answer
    x = 5,760.11

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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.