Home / 7,776.09-11,664.72-2,229.39

Finding the Fourth Proportional to 7,776.09, 11,664.72 and 2,229.39

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Solution

The fourth proportional to 7,776.09, 11,664.72 and 2,229.39 is: 3,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.09 : 11,664.72 = 2,229.39 : x
  2. Step 2: Convert to fraction form
    7,776.09/11,664.72 = 2,229.39/x
  3. Step 3: Cross multiply
    7,776.09x = 11,664.72 × 2,229.39
  4. Step 4: Simplify right side
    7,776.09x = 26,005,210.12
  5. Step 5: Solve for x
    x = 26,005,210.12/7,776.09
  6. Step 6: Final answer
    x = 3,344.25

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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.