Home / 5,154.57-7,113.36-2,796.73

Finding the Fourth Proportional to 5,154.57, 7,113.36 and 2,796.73

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Solution

The fourth proportional to 5,154.57, 7,113.36 and 2,796.73 is: 3,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.57 : 7,113.36 = 2,796.73 : x
  2. Step 2: Convert to fraction form
    5,154.57/7,113.36 = 2,796.73/x
  3. Step 3: Cross multiply
    5,154.57x = 7,113.36 × 2,796.73
  4. Step 4: Simplify right side
    5,154.57x = 19,894,147.31
  5. Step 5: Solve for x
    x = 19,894,147.31/5,154.57
  6. Step 6: Final answer
    x = 3,859.52

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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.