Home / 5,516.50-7,612.62-2,998.53

Finding the Fourth Proportional to 5,516.50, 7,612.62 and 2,998.53

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Solution

The fourth proportional to 5,516.50, 7,612.62 and 2,998.53 is: 4,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.50 : 7,612.62 = 2,998.53 : x
  2. Step 2: Convert to fraction form
    5,516.50/7,612.62 = 2,998.53/x
  3. Step 3: Cross multiply
    5,516.50x = 7,612.62 × 2,998.53
  4. Step 4: Simplify right side
    5,516.50x = 22,826,654.46
  5. Step 5: Solve for x
    x = 22,826,654.46/5,516.50
  6. Step 6: Final answer
    x = 4,137.89

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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.