Home / 9,170.87-13,752.08-2,929.49

Finding the Fourth Proportional to 9,170.87, 13,752.08 and 2,929.49

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Solution

The fourth proportional to 9,170.87, 13,752.08 and 2,929.49 is: 4,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.87 : 13,752.08 = 2,929.49 : x
  2. Step 2: Convert to fraction form
    9,170.87/13,752.08 = 2,929.49/x
  3. Step 3: Cross multiply
    9,170.87x = 13,752.08 × 2,929.49
  4. Step 4: Simplify right side
    9,170.87x = 40,286,512.08
  5. Step 5: Solve for x
    x = 40,286,512.08/9,170.87
  6. Step 6: Final answer
    x = 4,392.88

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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.