Home / 5,278.53-7,283.22-3,153.75

Finding the Fourth Proportional to 5,278.53, 7,283.22 and 3,153.75

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Solution

The fourth proportional to 5,278.53, 7,283.22 and 3,153.75 is: 4,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.53 : 7,283.22 = 3,153.75 : x
  2. Step 2: Convert to fraction form
    5,278.53/7,283.22 = 3,153.75/x
  3. Step 3: Cross multiply
    5,278.53x = 7,283.22 × 3,153.75
  4. Step 4: Simplify right side
    5,278.53x = 22,969,433.68
  5. Step 5: Solve for x
    x = 22,969,433.68/5,278.53
  6. Step 6: Final answer
    x = 4,351.48

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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.