Home / 5,519.20-7,616.49-3,035.20

Finding the Fourth Proportional to 5,519.20, 7,616.49 and 3,035.20

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Solution

The fourth proportional to 5,519.20, 7,616.49 and 3,035.20 is: 4,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.20 : 7,616.49 = 3,035.20 : x
  2. Step 2: Convert to fraction form
    5,519.20/7,616.49 = 3,035.20/x
  3. Step 3: Cross multiply
    5,519.20x = 7,616.49 × 3,035.20
  4. Step 4: Simplify right side
    5,519.20x = 23,117,532.37
  5. Step 5: Solve for x
    x = 23,117,532.37/5,519.20
  6. Step 6: Final answer
    x = 4,188.57

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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.