Home / 6,318.18-8,714.88-3,956.22

Finding the Fourth Proportional to 6,318.18, 8,714.88 and 3,956.22

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Solution

The fourth proportional to 6,318.18, 8,714.88 and 3,956.22 is: 5,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.18 : 8,714.88 = 3,956.22 : x
  2. Step 2: Convert to fraction form
    6,318.18/8,714.88 = 3,956.22/x
  3. Step 3: Cross multiply
    6,318.18x = 8,714.88 × 3,956.22
  4. Step 4: Simplify right side
    6,318.18x = 34,477,982.55
  5. Step 5: Solve for x
    x = 34,477,982.55/6,318.18
  6. Step 6: Final answer
    x = 5,456.95

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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.