Home / 5,309.24-7,326.78-2,951.60

Finding the Fourth Proportional to 5,309.24, 7,326.78 and 2,951.60

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Solution

The fourth proportional to 5,309.24, 7,326.78 and 2,951.60 is: 4,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.24 : 7,326.78 = 2,951.60 : x
  2. Step 2: Convert to fraction form
    5,309.24/7,326.78 = 2,951.60/x
  3. Step 3: Cross multiply
    5,309.24x = 7,326.78 × 2,951.60
  4. Step 4: Simplify right side
    5,309.24x = 21,625,723.85
  5. Step 5: Solve for x
    x = 21,625,723.85/5,309.24
  6. Step 6: Final answer
    x = 4,073.22

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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.