Home / 5,499.78-8,251.19-2,539.13

Finding the Fourth Proportional to 5,499.78, 8,251.19 and 2,539.13

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Solution

The fourth proportional to 5,499.78, 8,251.19 and 2,539.13 is: 3,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.78 : 8,251.19 = 2,539.13 : x
  2. Step 2: Convert to fraction form
    5,499.78/8,251.19 = 2,539.13/x
  3. Step 3: Cross multiply
    5,499.78x = 8,251.19 × 2,539.13
  4. Step 4: Simplify right side
    5,499.78x = 20,950,799.63
  5. Step 5: Solve for x
    x = 20,950,799.63/5,499.78
  6. Step 6: Final answer
    x = 3,809.39

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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.