Home / 6,541.16-9,815.92-2,380.78

Finding the Fourth Proportional to 6,541.16, 9,815.92 and 2,380.78

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Solution

The fourth proportional to 6,541.16, 9,815.92 and 2,380.78 is: 3,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.16 : 9,815.92 = 2,380.78 : x
  2. Step 2: Convert to fraction form
    6,541.16/9,815.92 = 2,380.78/x
  3. Step 3: Cross multiply
    6,541.16x = 9,815.92 × 2,380.78
  4. Step 4: Simplify right side
    6,541.16x = 23,369,546.02
  5. Step 5: Solve for x
    x = 23,369,546.02/6,541.16
  6. Step 6: Final answer
    x = 3,572.69

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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.