Home / 5,378.19-8,069.09-2,744.55

Finding the Fourth Proportional to 5,378.19, 8,069.09 and 2,744.55

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Solution

The fourth proportional to 5,378.19, 8,069.09 and 2,744.55 is: 4,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.19 : 8,069.09 = 2,744.55 : x
  2. Step 2: Convert to fraction form
    5,378.19/8,069.09 = 2,744.55/x
  3. Step 3: Cross multiply
    5,378.19x = 8,069.09 × 2,744.55
  4. Step 4: Simplify right side
    5,378.19x = 22,146,007.24
  5. Step 5: Solve for x
    x = 22,146,007.24/5,378.19
  6. Step 6: Final answer
    x = 4,117.74

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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.