Home / 5,152.20-7,756.42-3,519.08

Finding the Fourth Proportional to 5,152.20, 7,756.42 and 3,519.08

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Solution

The fourth proportional to 5,152.20, 7,756.42 and 3,519.08 is: 5,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.20 : 7,756.42 = 3,519.08 : x
  2. Step 2: Convert to fraction form
    5,152.20/7,756.42 = 3,519.08/x
  3. Step 3: Cross multiply
    5,152.20x = 7,756.42 × 3,519.08
  4. Step 4: Simplify right side
    5,152.20x = 27,295,462.49
  5. Step 5: Solve for x
    x = 27,295,462.49/5,152.20
  6. Step 6: Final answer
    x = 5,297.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.