Home / 9,020.57-13,532.33-2,780.58

Finding the Fourth Proportional to 9,020.57, 13,532.33 and 2,780.58

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Solution

The fourth proportional to 9,020.57, 13,532.33 and 2,780.58 is: 4,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.57 : 13,532.33 = 2,780.58 : x
  2. Step 2: Convert to fraction form
    9,020.57/13,532.33 = 2,780.58/x
  3. Step 3: Cross multiply
    9,020.57x = 13,532.33 × 2,780.58
  4. Step 4: Simplify right side
    9,020.57x = 37,627,726.15
  5. Step 5: Solve for x
    x = 37,627,726.15/9,020.57
  6. Step 6: Final answer
    x = 4,171.32

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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.