Home / 4,621.24-6,377.38-3,279.20

Finding the Fourth Proportional to 4,621.24, 6,377.38 and 3,279.20

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Solution

The fourth proportional to 4,621.24, 6,377.38 and 3,279.20 is: 4,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.24 : 6,377.38 = 3,279.20 : x
  2. Step 2: Convert to fraction form
    4,621.24/6,377.38 = 3,279.20/x
  3. Step 3: Cross multiply
    4,621.24x = 6,377.38 × 3,279.20
  4. Step 4: Simplify right side
    4,621.24x = 20,912,704.50
  5. Step 5: Solve for x
    x = 20,912,704.50/4,621.24
  6. Step 6: Final answer
    x = 4,525.34

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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.