Home / 7,355.68-10,150.41-3,998.47

Finding the Fourth Proportional to 7,355.68, 10,150.41 and 3,998.47

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Solution

The fourth proportional to 7,355.68, 10,150.41 and 3,998.47 is: 5,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.68 : 10,150.41 = 3,998.47 : x
  2. Step 2: Convert to fraction form
    7,355.68/10,150.41 = 3,998.47/x
  3. Step 3: Cross multiply
    7,355.68x = 10,150.41 × 3,998.47
  4. Step 4: Simplify right side
    7,355.68x = 40,586,109.87
  5. Step 5: Solve for x
    x = 40,586,109.87/7,355.68
  6. Step 6: Final answer
    x = 5,517.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.