Home / 5,351.11-7,391.59-4,107.53

Finding the Fourth Proportional to 5,351.11, 7,391.59 and 4,107.53

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Solution

The fourth proportional to 5,351.11, 7,391.59 and 4,107.53 is: 5,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.11 : 7,391.59 = 4,107.53 : x
  2. Step 2: Convert to fraction form
    5,351.11/7,391.59 = 4,107.53/x
  3. Step 3: Cross multiply
    5,351.11x = 7,391.59 × 4,107.53
  4. Step 4: Simplify right side
    5,351.11x = 30,361,220.79
  5. Step 5: Solve for x
    x = 30,361,220.79/5,351.11
  6. Step 6: Final answer
    x = 5,673.82

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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.