Home / 7,286.19-10,908.51-5,538.30

Finding the Fourth Proportional to 7,286.19, 10,908.51 and 5,538.30

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Solution

The fourth proportional to 7,286.19, 10,908.51 and 5,538.30 is: 8,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.19 : 10,908.51 = 5,538.30 : x
  2. Step 2: Convert to fraction form
    7,286.19/10,908.51 = 5,538.30/x
  3. Step 3: Cross multiply
    7,286.19x = 10,908.51 × 5,538.30
  4. Step 4: Simplify right side
    7,286.19x = 60,414,600.93
  5. Step 5: Solve for x
    x = 60,414,600.93/7,286.19
  6. Step 6: Final answer
    x = 8,291.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.