Home / 7,282.13-10,049.35-4,138.93

Finding the Fourth Proportional to 7,282.13, 10,049.35 and 4,138.93

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Solution

The fourth proportional to 7,282.13, 10,049.35 and 4,138.93 is: 5,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.13 : 10,049.35 = 4,138.93 : x
  2. Step 2: Convert to fraction form
    7,282.13/10,049.35 = 4,138.93/x
  3. Step 3: Cross multiply
    7,282.13x = 10,049.35 × 4,138.93
  4. Step 4: Simplify right side
    7,282.13x = 41,593,556.20
  5. Step 5: Solve for x
    x = 41,593,556.20/7,282.13
  6. Step 6: Final answer
    x = 5,711.73

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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.