Home / 5,619.24-7,754.60-3,101.30

Finding the Fourth Proportional to 5,619.24, 7,754.60 and 3,101.30

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Solution

The fourth proportional to 5,619.24, 7,754.60 and 3,101.30 is: 4,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.24 : 7,754.60 = 3,101.30 : x
  2. Step 2: Convert to fraction form
    5,619.24/7,754.60 = 3,101.30/x
  3. Step 3: Cross multiply
    5,619.24x = 7,754.60 × 3,101.30
  4. Step 4: Simplify right side
    5,619.24x = 24,049,340.98
  5. Step 5: Solve for x
    x = 24,049,340.98/5,619.24
  6. Step 6: Final answer
    x = 4,279.82

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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.