Home / 9,210.42-13,815.76-2,636.61

Finding the Fourth Proportional to 9,210.42, 13,815.76 and 2,636.61

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Solution

The fourth proportional to 9,210.42, 13,815.76 and 2,636.61 is: 3,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.42 : 13,815.76 = 2,636.61 : x
  2. Step 2: Convert to fraction form
    9,210.42/13,815.76 = 2,636.61/x
  3. Step 3: Cross multiply
    9,210.42x = 13,815.76 × 2,636.61
  4. Step 4: Simplify right side
    9,210.42x = 36,426,770.97
  5. Step 5: Solve for x
    x = 36,426,770.97/9,210.42
  6. Step 6: Final answer
    x = 3,954.95

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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.