Home / 9,021.60-13,531.92-2,865.12

Finding the Fourth Proportional to 9,021.60, 13,531.92 and 2,865.12

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Solution

The fourth proportional to 9,021.60, 13,531.92 and 2,865.12 is: 4,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.60 : 13,531.92 = 2,865.12 : x
  2. Step 2: Convert to fraction form
    9,021.60/13,531.92 = 2,865.12/x
  3. Step 3: Cross multiply
    9,021.60x = 13,531.92 × 2,865.12
  4. Step 4: Simplify right side
    9,021.60x = 38,770,574.63
  5. Step 5: Solve for x
    x = 38,770,574.63/9,021.60
  6. Step 6: Final answer
    x = 4,297.53

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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.