Home / 9,680.31-14,520.60-2,754.81

Finding the Fourth Proportional to 9,680.31, 14,520.60 and 2,754.81

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Solution

The fourth proportional to 9,680.31, 14,520.60 and 2,754.81 is: 4,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.31 : 14,520.60 = 2,754.81 : x
  2. Step 2: Convert to fraction form
    9,680.31/14,520.60 = 2,754.81/x
  3. Step 3: Cross multiply
    9,680.31x = 14,520.60 × 2,754.81
  4. Step 4: Simplify right side
    9,680.31x = 40,001,494.09
  5. Step 5: Solve for x
    x = 40,001,494.09/9,680.31
  6. Step 6: Final answer
    x = 4,132.25

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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.