Home / 5,218.05-7,198.50-4,621.14

Finding the Fourth Proportional to 5,218.05, 7,198.50 and 4,621.14

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Solution

The fourth proportional to 5,218.05, 7,198.50 and 4,621.14 is: 6,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.05 : 7,198.50 = 4,621.14 : x
  2. Step 2: Convert to fraction form
    5,218.05/7,198.50 = 4,621.14/x
  3. Step 3: Cross multiply
    5,218.05x = 7,198.50 × 4,621.14
  4. Step 4: Simplify right side
    5,218.05x = 33,265,276.29
  5. Step 5: Solve for x
    x = 33,265,276.29/5,218.05
  6. Step 6: Final answer
    x = 6,375.04

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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.