Home / 4,191.18-6,279.77-2,956.55

Finding the Fourth Proportional to 4,191.18, 6,279.77 and 2,956.55

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Solution

The fourth proportional to 4,191.18, 6,279.77 and 2,956.55 is: 4,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.18 : 6,279.77 = 2,956.55 : x
  2. Step 2: Convert to fraction form
    4,191.18/6,279.77 = 2,956.55/x
  3. Step 3: Cross multiply
    4,191.18x = 6,279.77 × 2,956.55
  4. Step 4: Simplify right side
    4,191.18x = 18,566,444.52
  5. Step 5: Solve for x
    x = 18,566,444.52/4,191.18
  6. Step 6: Final answer
    x = 4,429.88

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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.