Home / 7,391.07-10,195.25-5,399.19

Finding the Fourth Proportional to 7,391.07, 10,195.25 and 5,399.19

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Solution

The fourth proportional to 7,391.07, 10,195.25 and 5,399.19 is: 7,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.07 : 10,195.25 = 5,399.19 : x
  2. Step 2: Convert to fraction form
    7,391.07/10,195.25 = 5,399.19/x
  3. Step 3: Cross multiply
    7,391.07x = 10,195.25 × 5,399.19
  4. Step 4: Simplify right side
    7,391.07x = 55,046,064.85
  5. Step 5: Solve for x
    x = 55,046,064.85/7,391.07
  6. Step 6: Final answer
    x = 7,447.64

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Half scale
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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.