Home / 5,151-7,108.39-3,260.61

Finding the Fourth Proportional to 5,151, 7,108.39 and 3,260.61

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Solution

The fourth proportional to 5,151, 7,108.39 and 3,260.61 is: 4,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151 : 7,108.39 = 3,260.61 : x
  2. Step 2: Convert to fraction form
    5,151/7,108.39 = 3,260.61/x
  3. Step 3: Cross multiply
    5,151x = 7,108.39 × 3,260.61
  4. Step 4: Simplify right side
    5,151x = 23,177,687.52
  5. Step 5: Solve for x
    x = 23,177,687.52/5,151
  6. Step 6: Final answer
    x = 4,499.65

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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.