Home / 5,519.85-8,278.89-2,399.02

Finding the Fourth Proportional to 5,519.85, 8,278.89 and 2,399.02

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Solution

The fourth proportional to 5,519.85, 8,278.89 and 2,399.02 is: 3,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.85 : 8,278.89 = 2,399.02 : x
  2. Step 2: Convert to fraction form
    5,519.85/8,278.89 = 2,399.02/x
  3. Step 3: Cross multiply
    5,519.85x = 8,278.89 × 2,399.02
  4. Step 4: Simplify right side
    5,519.85x = 19,861,192.99
  5. Step 5: Solve for x
    x = 19,861,192.99/5,519.85
  6. Step 6: Final answer
    x = 3,598.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.