Home / 5,931.72-8,185.68-3,278.88

Finding the Fourth Proportional to 5,931.72, 8,185.68 and 3,278.88

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Solution

The fourth proportional to 5,931.72, 8,185.68 and 3,278.88 is: 4,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.72 : 8,185.68 = 3,278.88 : x
  2. Step 2: Convert to fraction form
    5,931.72/8,185.68 = 3,278.88/x
  3. Step 3: Cross multiply
    5,931.72x = 8,185.68 × 3,278.88
  4. Step 4: Simplify right side
    5,931.72x = 26,839,862.44
  5. Step 5: Solve for x
    x = 26,839,862.44/5,931.72
  6. Step 6: Final answer
    x = 4,524.80

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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.