Home / 6,956.15-10,434.11-1,691.21

Finding the Fourth Proportional to 6,956.15, 10,434.11 and 1,691.21

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Solution

The fourth proportional to 6,956.15, 10,434.11 and 1,691.21 is: 2,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,956.15 : 10,434.11 = 1,691.21 : x
  2. Step 2: Convert to fraction form
    6,956.15/10,434.11 = 1,691.21/x
  3. Step 3: Cross multiply
    6,956.15x = 10,434.11 × 1,691.21
  4. Step 4: Simplify right side
    6,956.15x = 17,646,210.55
  5. Step 5: Solve for x
    x = 17,646,210.55/6,956.15
  6. Step 6: Final answer
    x = 2,536.78

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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.