Home / 5,516.31-7,612.33-3,158.00

Finding the Fourth Proportional to 5,516.31, 7,612.33 and 3,158.00

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Solution

The fourth proportional to 5,516.31, 7,612.33 and 3,158.00 is: 4,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.31 : 7,612.33 = 3,158.00 : x
  2. Step 2: Convert to fraction form
    5,516.31/7,612.33 = 3,158.00/x
  3. Step 3: Cross multiply
    5,516.31x = 7,612.33 × 3,158.00
  4. Step 4: Simplify right side
    5,516.31x = 24,039,720.73
  5. Step 5: Solve for x
    x = 24,039,720.73/5,516.31
  6. Step 6: Final answer
    x = 4,357.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.