Home / 5,519.82-8,279.79-1,624.30

Finding the Fourth Proportional to 5,519.82, 8,279.79 and 1,624.30

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Solution

The fourth proportional to 5,519.82, 8,279.79 and 1,624.30 is: 2,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.82 : 8,279.79 = 1,624.30 : x
  2. Step 2: Convert to fraction form
    5,519.82/8,279.79 = 1,624.30/x
  3. Step 3: Cross multiply
    5,519.82x = 8,279.79 × 1,624.30
  4. Step 4: Simplify right side
    5,519.82x = 13,448,862.90
  5. Step 5: Solve for x
    x = 13,448,862.90/5,519.82
  6. Step 6: Final answer
    x = 2,436.47

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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.