Home / 7,756.89-11,635.71-2,210.61

Finding the Fourth Proportional to 7,756.89, 11,635.71 and 2,210.61

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Solution

The fourth proportional to 7,756.89, 11,635.71 and 2,210.61 is: 3,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.89 : 11,635.71 = 2,210.61 : x
  2. Step 2: Convert to fraction form
    7,756.89/11,635.71 = 2,210.61/x
  3. Step 3: Cross multiply
    7,756.89x = 11,635.71 × 2,210.61
  4. Step 4: Simplify right side
    7,756.89x = 25,722,052.23
  5. Step 5: Solve for x
    x = 25,722,052.23/7,756.89
  6. Step 6: Final answer
    x = 3,316.03

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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.