Home / 5,151.17-7,108.62-2,793.31

Finding the Fourth Proportional to 5,151.17, 7,108.62 and 2,793.31

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Solution

The fourth proportional to 5,151.17, 7,108.62 and 2,793.31 is: 3,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.17 : 7,108.62 = 2,793.31 : x
  2. Step 2: Convert to fraction form
    5,151.17/7,108.62 = 2,793.31/x
  3. Step 3: Cross multiply
    5,151.17x = 7,108.62 × 2,793.31
  4. Step 4: Simplify right side
    5,151.17x = 19,856,579.33
  5. Step 5: Solve for x
    x = 19,856,579.33/5,151.17
  6. Step 6: Final answer
    x = 3,854.77

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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.