Home / 8,890.75-13,336.13-2,734.75

Finding the Fourth Proportional to 8,890.75, 13,336.13 and 2,734.75

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Solution

The fourth proportional to 8,890.75, 13,336.13 and 2,734.75 is: 4,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.75 : 13,336.13 = 2,734.75 : x
  2. Step 2: Convert to fraction form
    8,890.75/13,336.13 = 2,734.75/x
  3. Step 3: Cross multiply
    8,890.75x = 13,336.13 × 2,734.75
  4. Step 4: Simplify right side
    8,890.75x = 36,470,981.52
  5. Step 5: Solve for x
    x = 36,470,981.52/8,890.75
  6. Step 6: Final answer
    x = 4,102.13

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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.