Home / 5,516.32-8,278.64-2,919.84

Finding the Fourth Proportional to 5,516.32, 8,278.64 and 2,919.84

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Solution

The fourth proportional to 5,516.32, 8,278.64 and 2,919.84 is: 4,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.32 : 8,278.64 = 2,919.84 : x
  2. Step 2: Convert to fraction form
    5,516.32/8,278.64 = 2,919.84/x
  3. Step 3: Cross multiply
    5,516.32x = 8,278.64 × 2,919.84
  4. Step 4: Simplify right side
    5,516.32x = 24,172,304.22
  5. Step 5: Solve for x
    x = 24,172,304.22/5,516.32
  6. Step 6: Final answer
    x = 4,381.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.