Home / 6,689.38-10,034.03-1,691.74

Finding the Fourth Proportional to 6,689.38, 10,034.03 and 1,691.74

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Solution

The fourth proportional to 6,689.38, 10,034.03 and 1,691.74 is: 2,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.38 : 10,034.03 = 1,691.74 : x
  2. Step 2: Convert to fraction form
    6,689.38/10,034.03 = 1,691.74/x
  3. Step 3: Cross multiply
    6,689.38x = 10,034.03 × 1,691.74
  4. Step 4: Simplify right side
    6,689.38x = 16,975,005.39
  5. Step 5: Solve for x
    x = 16,975,005.39/6,689.38
  6. Step 6: Final answer
    x = 2,537.61

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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.