Home / 7,334.40-10,121.24-4,147.80

Finding the Fourth Proportional to 7,334.40, 10,121.24 and 4,147.80

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Solution

The fourth proportional to 7,334.40, 10,121.24 and 4,147.80 is: 5,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.40 : 10,121.24 = 4,147.80 : x
  2. Step 2: Convert to fraction form
    7,334.40/10,121.24 = 4,147.80/x
  3. Step 3: Cross multiply
    7,334.40x = 10,121.24 × 4,147.80
  4. Step 4: Simplify right side
    7,334.40x = 41,980,879.27
  5. Step 5: Solve for x
    x = 41,980,879.27/7,334.40
  6. Step 6: Final answer
    x = 5,723.83

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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.