Home / 5,151.05-7,108.38-2,793.16

Finding the Fourth Proportional to 5,151.05, 7,108.38 and 2,793.16

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Solution

The fourth proportional to 5,151.05, 7,108.38 and 2,793.16 is: 3,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.05 : 7,108.38 = 2,793.16 : x
  2. Step 2: Convert to fraction form
    5,151.05/7,108.38 = 2,793.16/x
  3. Step 3: Cross multiply
    5,151.05x = 7,108.38 × 2,793.16
  4. Step 4: Simplify right side
    5,151.05x = 19,854,824.91
  5. Step 5: Solve for x
    x = 19,854,824.91/5,151.05
  6. Step 6: Final answer
    x = 3,854.52

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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.