Home / 5,009.38-7,512.46-1,721.68

Finding the Fourth Proportional to 5,009.38, 7,512.46 and 1,721.68

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Solution

The fourth proportional to 5,009.38, 7,512.46 and 1,721.68 is: 2,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.38 : 7,512.46 = 1,721.68 : x
  2. Step 2: Convert to fraction form
    5,009.38/7,512.46 = 1,721.68/x
  3. Step 3: Cross multiply
    5,009.38x = 7,512.46 × 1,721.68
  4. Step 4: Simplify right side
    5,009.38x = 12,934,052.13
  5. Step 5: Solve for x
    x = 12,934,052.13/5,009.38
  6. Step 6: Final answer
    x = 2,581.97

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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.