Home / 8,906.57-13,364.40-3,645.46

Finding the Fourth Proportional to 8,906.57, 13,364.40 and 3,645.46

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Solution

The fourth proportional to 8,906.57, 13,364.40 and 3,645.46 is: 5,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.57 : 13,364.40 = 3,645.46 : x
  2. Step 2: Convert to fraction form
    8,906.57/13,364.40 = 3,645.46/x
  3. Step 3: Cross multiply
    8,906.57x = 13,364.40 × 3,645.46
  4. Step 4: Simplify right side
    8,906.57x = 48,719,300.57
  5. Step 5: Solve for x
    x = 48,719,300.57/8,906.57
  6. Step 6: Final answer
    x = 5,470.04

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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.