Home / 7,387.68-10,194.45-4,157.97

Finding the Fourth Proportional to 7,387.68, 10,194.45 and 4,157.97

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Solution

The fourth proportional to 7,387.68, 10,194.45 and 4,157.97 is: 5,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.68 : 10,194.45 = 4,157.97 : x
  2. Step 2: Convert to fraction form
    7,387.68/10,194.45 = 4,157.97/x
  3. Step 3: Cross multiply
    7,387.68x = 10,194.45 × 4,157.97
  4. Step 4: Simplify right side
    7,387.68x = 42,388,217.27
  5. Step 5: Solve for x
    x = 42,388,217.27/7,387.68
  6. Step 6: Final answer
    x = 5,737.69

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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.