Home / 6,939.68-10,456.32-5,734.08

Finding the Fourth Proportional to 6,939.68, 10,456.32 and 5,734.08

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Solution

The fourth proportional to 6,939.68, 10,456.32 and 5,734.08 is: 8,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.68 : 10,456.32 = 5,734.08 : x
  2. Step 2: Convert to fraction form
    6,939.68/10,456.32 = 5,734.08/x
  3. Step 3: Cross multiply
    6,939.68x = 10,456.32 × 5,734.08
  4. Step 4: Simplify right side
    6,939.68x = 59,957,375.39
  5. Step 5: Solve for x
    x = 59,957,375.39/6,939.68
  6. Step 6: Final answer
    x = 8,639.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.