Home / 7,288.80-10,057.41-4,144.38

Finding the Fourth Proportional to 7,288.80, 10,057.41 and 4,144.38

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Solution

The fourth proportional to 7,288.80, 10,057.41 and 4,144.38 is: 5,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.80 : 10,057.41 = 4,144.38 : x
  2. Step 2: Convert to fraction form
    7,288.80/10,057.41 = 4,144.38/x
  3. Step 3: Cross multiply
    7,288.80x = 10,057.41 × 4,144.38
  4. Step 4: Simplify right side
    7,288.80x = 41,681,728.86
  5. Step 5: Solve for x
    x = 41,681,728.86/7,288.80
  6. Step 6: Final answer
    x = 5,718.60

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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.