Home / 8,865.25-13,292.34-3,315.67

Finding the Fourth Proportional to 8,865.25, 13,292.34 and 3,315.67

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Solution

The fourth proportional to 8,865.25, 13,292.34 and 3,315.67 is: 4,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.25 : 13,292.34 = 3,315.67 : x
  2. Step 2: Convert to fraction form
    8,865.25/13,292.34 = 3,315.67/x
  3. Step 3: Cross multiply
    8,865.25x = 13,292.34 × 3,315.67
  4. Step 4: Simplify right side
    8,865.25x = 44,073,012.97
  5. Step 5: Solve for x
    x = 44,073,012.97/8,865.25
  6. Step 6: Final answer
    x = 4,971.43

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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.