Home / 6,686.22-9,226.84-3,701.88

Finding the Fourth Proportional to 6,686.22, 9,226.84 and 3,701.88

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Solution

The fourth proportional to 6,686.22, 9,226.84 and 3,701.88 is: 5,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.22 : 9,226.84 = 3,701.88 : x
  2. Step 2: Convert to fraction form
    6,686.22/9,226.84 = 3,701.88/x
  3. Step 3: Cross multiply
    6,686.22x = 9,226.84 × 3,701.88
  4. Step 4: Simplify right side
    6,686.22x = 34,156,654.46
  5. Step 5: Solve for x
    x = 34,156,654.46/6,686.22
  6. Step 6: Final answer
    x = 5,108.51

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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.