Home / 9,148.84-13,726.32-2,909.92

Finding the Fourth Proportional to 9,148.84, 13,726.32 and 2,909.92

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Solution

The fourth proportional to 9,148.84, 13,726.32 and 2,909.92 is: 4,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.84 : 13,726.32 = 2,909.92 : x
  2. Step 2: Convert to fraction form
    9,148.84/13,726.32 = 2,909.92/x
  3. Step 3: Cross multiply
    9,148.84x = 13,726.32 × 2,909.92
  4. Step 4: Simplify right side
    9,148.84x = 39,942,493.09
  5. Step 5: Solve for x
    x = 39,942,493.09/9,148.84
  6. Step 6: Final answer
    x = 4,365.85

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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.