Home / 4,476.52-6,178.38-4,279.72

Finding the Fourth Proportional to 4,476.52, 6,178.38 and 4,279.72

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Solution

The fourth proportional to 4,476.52, 6,178.38 and 4,279.72 is: 5,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.52 : 6,178.38 = 4,279.72 : x
  2. Step 2: Convert to fraction form
    4,476.52/6,178.38 = 4,279.72/x
  3. Step 3: Cross multiply
    4,476.52x = 6,178.38 × 4,279.72
  4. Step 4: Simplify right side
    4,476.52x = 26,441,736.45
  5. Step 5: Solve for x
    x = 26,441,736.45/4,476.52
  6. Step 6: Final answer
    x = 5,906.76

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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.