Home / 8,949.60-13,419.06-3,680.52

Finding the Fourth Proportional to 8,949.60, 13,419.06 and 3,680.52

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Solution

The fourth proportional to 8,949.60, 13,419.06 and 3,680.52 is: 5,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.60 : 13,419.06 = 3,680.52 : x
  2. Step 2: Convert to fraction form
    8,949.60/13,419.06 = 3,680.52/x
  3. Step 3: Cross multiply
    8,949.60x = 13,419.06 × 3,680.52
  4. Step 4: Simplify right side
    8,949.60x = 49,389,118.71
  5. Step 5: Solve for x
    x = 49,389,118.71/8,949.60
  6. Step 6: Final answer
    x = 5,518.58

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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.