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Finding the Fourth Proportional to 6,885.95, 10,329.02 and 1,691.82

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Solution

The fourth proportional to 6,885.95, 10,329.02 and 1,691.82 is: 2,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.95 : 10,329.02 = 1,691.82 : x
  2. Step 2: Convert to fraction form
    6,885.95/10,329.02 = 1,691.82/x
  3. Step 3: Cross multiply
    6,885.95x = 10,329.02 × 1,691.82
  4. Step 4: Simplify right side
    6,885.95x = 17,474,842.62
  5. Step 5: Solve for x
    x = 17,474,842.62/6,885.95
  6. Step 6: Final answer
    x = 2,537.75

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1.5x scale

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.