Home / 5,519.12-8,278.50-2,399.13

Finding the Fourth Proportional to 5,519.12, 8,278.50 and 2,399.13

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Solution

The fourth proportional to 5,519.12, 8,278.50 and 2,399.13 is: 3,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.12 : 8,278.50 = 2,399.13 : x
  2. Step 2: Convert to fraction form
    5,519.12/8,278.50 = 2,399.13/x
  3. Step 3: Cross multiply
    5,519.12x = 8,278.50 × 2,399.13
  4. Step 4: Simplify right side
    5,519.12x = 19,861,197.71
  5. Step 5: Solve for x
    x = 19,861,197.71/5,519.12
  6. Step 6: Final answer
    x = 3,598.62

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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.