Home / 5,122.50-7,682.04-2,001.69

Finding the Fourth Proportional to 5,122.50, 7,682.04 and 2,001.69

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Solution

The fourth proportional to 5,122.50, 7,682.04 and 2,001.69 is: 3,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.50 : 7,682.04 = 2,001.69 : x
  2. Step 2: Convert to fraction form
    5,122.50/7,682.04 = 2,001.69/x
  3. Step 3: Cross multiply
    5,122.50x = 7,682.04 × 2,001.69
  4. Step 4: Simplify right side
    5,122.50x = 15,377,062.65
  5. Step 5: Solve for x
    x = 15,377,062.65/5,122.50
  6. Step 6: Final answer
    x = 3,001.87

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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.