Home / 5,581.31-8,367.50-2,806.55

Finding the Fourth Proportional to 5,581.31, 8,367.50 and 2,806.55

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Solution

The fourth proportional to 5,581.31, 8,367.50 and 2,806.55 is: 4,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.31 : 8,367.50 = 2,806.55 : x
  2. Step 2: Convert to fraction form
    5,581.31/8,367.50 = 2,806.55/x
  3. Step 3: Cross multiply
    5,581.31x = 8,367.50 × 2,806.55
  4. Step 4: Simplify right side
    5,581.31x = 23,483,803.68
  5. Step 5: Solve for x
    x = 23,483,803.68/5,581.31
  6. Step 6: Final answer
    x = 4,207.58

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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.