Home / 7,324.26-10,105.74-4,178.76

Finding the Fourth Proportional to 7,324.26, 10,105.74 and 4,178.76

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Solution

The fourth proportional to 7,324.26, 10,105.74 and 4,178.76 is: 5,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.26 : 10,105.74 = 4,178.76 : x
  2. Step 2: Convert to fraction form
    7,324.26/10,105.74 = 4,178.76/x
  3. Step 3: Cross multiply
    7,324.26x = 10,105.74 × 4,178.76
  4. Step 4: Simplify right side
    7,324.26x = 42,229,462.08
  5. Step 5: Solve for x
    x = 42,229,462.08/7,324.26
  6. Step 6: Final answer
    x = 5,765.70

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Half scale
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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.