Home / 5,516.56-7,612.82-2,998.61

Finding the Fourth Proportional to 5,516.56, 7,612.82 and 2,998.61

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Solution

The fourth proportional to 5,516.56, 7,612.82 and 2,998.61 is: 4,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.56 : 7,612.82 = 2,998.61 : x
  2. Step 2: Convert to fraction form
    5,516.56/7,612.82 = 2,998.61/x
  3. Step 3: Cross multiply
    5,516.56x = 7,612.82 × 2,998.61
  4. Step 4: Simplify right side
    5,516.56x = 22,827,863.19
  5. Step 5: Solve for x
    x = 22,827,863.19/5,516.56
  6. Step 6: Final answer
    x = 4,138.06

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1.5x scale

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.