Home / 5,516.32-7,612.16-3,278.08

Finding the Fourth Proportional to 5,516.32, 7,612.16 and 3,278.08

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Solution

The fourth proportional to 5,516.32, 7,612.16 and 3,278.08 is: 4,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.32 : 7,612.16 = 3,278.08 : x
  2. Step 2: Convert to fraction form
    5,516.32/7,612.16 = 3,278.08/x
  3. Step 3: Cross multiply
    5,516.32x = 7,612.16 × 3,278.08
  4. Step 4: Simplify right side
    5,516.32x = 24,953,269.45
  5. Step 5: Solve for x
    x = 24,953,269.45/5,516.32
  6. Step 6: Final answer
    x = 4,523.54

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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.