Home / 8,819.66-13,232.18-2,975.78

Finding the Fourth Proportional to 8,819.66, 13,232.18 and 2,975.78

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Solution

The fourth proportional to 8,819.66, 13,232.18 and 2,975.78 is: 4,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.66 : 13,232.18 = 2,975.78 : x
  2. Step 2: Convert to fraction form
    8,819.66/13,232.18 = 2,975.78/x
  3. Step 3: Cross multiply
    8,819.66x = 13,232.18 × 2,975.78
  4. Step 4: Simplify right side
    8,819.66x = 39,376,056.60
  5. Step 5: Solve for x
    x = 39,376,056.60/8,819.66
  6. Step 6: Final answer
    x = 4,464.58

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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.