Home / 5,151.03-7,108.47-2,793.21

Finding the Fourth Proportional to 5,151.03, 7,108.47 and 2,793.21

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Solution

The fourth proportional to 5,151.03, 7,108.47 and 2,793.21 is: 3,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.03 : 7,108.47 = 2,793.21 : x
  2. Step 2: Convert to fraction form
    5,151.03/7,108.47 = 2,793.21/x
  3. Step 3: Cross multiply
    5,151.03x = 7,108.47 × 2,793.21
  4. Step 4: Simplify right side
    5,151.03x = 19,855,449.49
  5. Step 5: Solve for x
    x = 19,855,449.49/5,151.03
  6. Step 6: Final answer
    x = 3,854.66

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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.