Home / 5,274.57-7,278.62-3,150.15

Finding the Fourth Proportional to 5,274.57, 7,278.62 and 3,150.15

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Solution

The fourth proportional to 5,274.57, 7,278.62 and 3,150.15 is: 4,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.57 : 7,278.62 = 3,150.15 : x
  2. Step 2: Convert to fraction form
    5,274.57/7,278.62 = 3,150.15/x
  3. Step 3: Cross multiply
    5,274.57x = 7,278.62 × 3,150.15
  4. Step 4: Simplify right side
    5,274.57x = 22,928,744.79
  5. Step 5: Solve for x
    x = 22,928,744.79/5,274.57
  6. Step 6: Final answer
    x = 4,347.04

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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.