Home / 5,621.23-7,757.25-3,103.34

Finding the Fourth Proportional to 5,621.23, 7,757.25 and 3,103.34

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Solution

The fourth proportional to 5,621.23, 7,757.25 and 3,103.34 is: 4,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.23 : 7,757.25 = 3,103.34 : x
  2. Step 2: Convert to fraction form
    5,621.23/7,757.25 = 3,103.34/x
  3. Step 3: Cross multiply
    5,621.23x = 7,757.25 × 3,103.34
  4. Step 4: Simplify right side
    5,621.23x = 24,073,333.79
  5. Step 5: Solve for x
    x = 24,073,333.79/5,621.23
  6. Step 6: Final answer
    x = 4,282.58

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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.