Home / 6,896.68-10,350.15-3,388.57

Finding the Fourth Proportional to 6,896.68, 10,350.15 and 3,388.57

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Solution

The fourth proportional to 6,896.68, 10,350.15 and 3,388.57 is: 5,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.68 : 10,350.15 = 3,388.57 : x
  2. Step 2: Convert to fraction form
    6,896.68/10,350.15 = 3,388.57/x
  3. Step 3: Cross multiply
    6,896.68x = 10,350.15 × 3,388.57
  4. Step 4: Simplify right side
    6,896.68x = 35,072,207.79
  5. Step 5: Solve for x
    x = 35,072,207.79/6,896.68
  6. Step 6: Final answer
    x = 5,085.38

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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.