Home / 5,378.13-8,063.55-2,739.15

Finding the Fourth Proportional to 5,378.13, 8,063.55 and 2,739.15

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Solution

The fourth proportional to 5,378.13, 8,063.55 and 2,739.15 is: 4,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.13 : 8,063.55 = 2,739.15 : x
  2. Step 2: Convert to fraction form
    5,378.13/8,063.55 = 2,739.15/x
  3. Step 3: Cross multiply
    5,378.13x = 8,063.55 × 2,739.15
  4. Step 4: Simplify right side
    5,378.13x = 22,087,272.98
  5. Step 5: Solve for x
    x = 22,087,272.98/5,378.13
  6. Step 6: Final answer
    x = 4,106.87

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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.