Home / 5,621.01-7,757.25-3,103.48

Finding the Fourth Proportional to 5,621.01, 7,757.25 and 3,103.48

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Solution

The fourth proportional to 5,621.01, 7,757.25 and 3,103.48 is: 4,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.01 : 7,757.25 = 3,103.48 : x
  2. Step 2: Convert to fraction form
    5,621.01/7,757.25 = 3,103.48/x
  3. Step 3: Cross multiply
    5,621.01x = 7,757.25 × 3,103.48
  4. Step 4: Simplify right side
    5,621.01x = 24,074,431.44
  5. Step 5: Solve for x
    x = 24,074,431.44/5,621.01
  6. Step 6: Final answer
    x = 4,282.94

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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.