Home / 4,275.38-5,902.68-3,278.74

Finding the Fourth Proportional to 4,275.38, 5,902.68 and 3,278.74

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Solution

The fourth proportional to 4,275.38, 5,902.68 and 3,278.74 is: 4,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.38 : 5,902.68 = 3,278.74 : x
  2. Step 2: Convert to fraction form
    4,275.38/5,902.68 = 3,278.74/x
  3. Step 3: Cross multiply
    4,275.38x = 5,902.68 × 3,278.74
  4. Step 4: Simplify right side
    4,275.38x = 19,353,353.02
  5. Step 5: Solve for x
    x = 19,353,353.02/4,275.38
  6. Step 6: Final answer
    x = 4,526.70

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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.