Home / 5,516.73-7,612.45-3,278.70

Finding the Fourth Proportional to 5,516.73, 7,612.45 and 3,278.70

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Solution

The fourth proportional to 5,516.73, 7,612.45 and 3,278.70 is: 4,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.73 : 7,612.45 = 3,278.70 : x
  2. Step 2: Convert to fraction form
    5,516.73/7,612.45 = 3,278.70/x
  3. Step 3: Cross multiply
    5,516.73x = 7,612.45 × 3,278.70
  4. Step 4: Simplify right side
    5,516.73x = 24,958,931.62
  5. Step 5: Solve for x
    x = 24,958,931.62/5,516.73
  6. Step 6: Final answer
    x = 4,524.23

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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.