Home / 4,279.86-5,863.30-4,119.94

Finding the Fourth Proportional to 4,279.86, 5,863.30 and 4,119.94

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Solution

The fourth proportional to 4,279.86, 5,863.30 and 4,119.94 is: 5,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.86 : 5,863.30 = 4,119.94 : x
  2. Step 2: Convert to fraction form
    4,279.86/5,863.30 = 4,119.94/x
  3. Step 3: Cross multiply
    4,279.86x = 5,863.30 × 4,119.94
  4. Step 4: Simplify right side
    4,279.86x = 24,156,444.20
  5. Step 5: Solve for x
    x = 24,156,444.20/4,279.86
  6. Step 6: Final answer
    x = 5,644.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.