Home / 4,581.78-6,869.97-1,806.18

Finding the Fourth Proportional to 4,581.78, 6,869.97 and 1,806.18

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Solution

The fourth proportional to 4,581.78, 6,869.97 and 1,806.18 is: 2,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.78 : 6,869.97 = 1,806.18 : x
  2. Step 2: Convert to fraction form
    4,581.78/6,869.97 = 1,806.18/x
  3. Step 3: Cross multiply
    4,581.78x = 6,869.97 × 1,806.18
  4. Step 4: Simplify right side
    4,581.78x = 12,408,402.41
  5. Step 5: Solve for x
    x = 12,408,402.41/4,581.78
  6. Step 6: Final answer
    x = 2,708.21

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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.