Home / 9,149.34-13,718.82-2,908.14

Finding the Fourth Proportional to 9,149.34, 13,718.82 and 2,908.14

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Solution

The fourth proportional to 9,149.34, 13,718.82 and 2,908.14 is: 4,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.34 : 13,718.82 = 2,908.14 : x
  2. Step 2: Convert to fraction form
    9,149.34/13,718.82 = 2,908.14/x
  3. Step 3: Cross multiply
    9,149.34x = 13,718.82 × 2,908.14
  4. Step 4: Simplify right side
    9,149.34x = 39,896,249.19
  5. Step 5: Solve for x
    x = 39,896,249.19/9,149.34
  6. Step 6: Final answer
    x = 4,360.56

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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.