Home / 5,154.75-7,113.54-2,796.90

Finding the Fourth Proportional to 5,154.75, 7,113.54 and 2,796.90

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Solution

The fourth proportional to 5,154.75, 7,113.54 and 2,796.90 is: 3,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.75 : 7,113.54 = 2,796.90 : x
  2. Step 2: Convert to fraction form
    5,154.75/7,113.54 = 2,796.90/x
  3. Step 3: Cross multiply
    5,154.75x = 7,113.54 × 2,796.90
  4. Step 4: Simplify right side
    5,154.75x = 19,895,860.03
  5. Step 5: Solve for x
    x = 19,895,860.03/5,154.75
  6. Step 6: Final answer
    x = 3,859.71

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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.