Home / 5,279.18-7,286.67-3,288.56

Finding the Fourth Proportional to 5,279.18, 7,286.67 and 3,288.56

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Solution

The fourth proportional to 5,279.18, 7,286.67 and 3,288.56 is: 4,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.18 : 7,286.67 = 3,288.56 : x
  2. Step 2: Convert to fraction form
    5,279.18/7,286.67 = 3,288.56/x
  3. Step 3: Cross multiply
    5,279.18x = 7,286.67 × 3,288.56
  4. Step 4: Simplify right side
    5,279.18x = 23,962,615.06
  5. Step 5: Solve for x
    x = 23,962,615.06/5,279.18
  6. Step 6: Final answer
    x = 4,539.08

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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.