Home / 9,680.28-14,520.09-2,754.78

Finding the Fourth Proportional to 9,680.28, 14,520.09 and 2,754.78

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Solution

The fourth proportional to 9,680.28, 14,520.09 and 2,754.78 is: 4,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.28 : 14,520.09 = 2,754.78 : x
  2. Step 2: Convert to fraction form
    9,680.28/14,520.09 = 2,754.78/x
  3. Step 3: Cross multiply
    9,680.28x = 14,520.09 × 2,754.78
  4. Step 4: Simplify right side
    9,680.28x = 39,999,653.53
  5. Step 5: Solve for x
    x = 39,999,653.53/9,680.28
  6. Step 6: Final answer
    x = 4,132.08

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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.