Home / 8,806.28-13,211.15-3,259.67

Finding the Fourth Proportional to 8,806.28, 13,211.15 and 3,259.67

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Solution

The fourth proportional to 8,806.28, 13,211.15 and 3,259.67 is: 4,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.28 : 13,211.15 = 3,259.67 : x
  2. Step 2: Convert to fraction form
    8,806.28/13,211.15 = 3,259.67/x
  3. Step 3: Cross multiply
    8,806.28x = 13,211.15 × 3,259.67
  4. Step 4: Simplify right side
    8,806.28x = 43,064,022.35
  5. Step 5: Solve for x
    x = 43,064,022.35/8,806.28
  6. Step 6: Final answer
    x = 4,890.15

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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.