Home / 5,274.68-7,279.12-3,036.72

Finding the Fourth Proportional to 5,274.68, 7,279.12 and 3,036.72

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Solution

The fourth proportional to 5,274.68, 7,279.12 and 3,036.72 is: 4,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.68 : 7,279.12 = 3,036.72 : x
  2. Step 2: Convert to fraction form
    5,274.68/7,279.12 = 3,036.72/x
  3. Step 3: Cross multiply
    5,274.68x = 7,279.12 × 3,036.72
  4. Step 4: Simplify right side
    5,274.68x = 22,104,649.29
  5. Step 5: Solve for x
    x = 22,104,649.29/5,274.68
  6. Step 6: Final answer
    x = 4,190.71

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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.