Home / 5,229.06-7,841.34-1,939.74

Finding the Fourth Proportional to 5,229.06, 7,841.34 and 1,939.74

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Solution

The fourth proportional to 5,229.06, 7,841.34 and 1,939.74 is: 2,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.06 : 7,841.34 = 1,939.74 : x
  2. Step 2: Convert to fraction form
    5,229.06/7,841.34 = 1,939.74/x
  3. Step 3: Cross multiply
    5,229.06x = 7,841.34 × 1,939.74
  4. Step 4: Simplify right side
    5,229.06x = 15,210,160.85
  5. Step 5: Solve for x
    x = 15,210,160.85/5,229.06
  6. Step 6: Final answer
    x = 2,908.78

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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.