Home / 7,818.66-11,729.19-2,623.32

Finding the Fourth Proportional to 7,818.66, 11,729.19 and 2,623.32

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Solution

The fourth proportional to 7,818.66, 11,729.19 and 2,623.32 is: 3,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.66 : 11,729.19 = 2,623.32 : x
  2. Step 2: Convert to fraction form
    7,818.66/11,729.19 = 2,623.32/x
  3. Step 3: Cross multiply
    7,818.66x = 11,729.19 × 2,623.32
  4. Step 4: Simplify right side
    7,818.66x = 30,769,418.71
  5. Step 5: Solve for x
    x = 30,769,418.71/7,818.66
  6. Step 6: Final answer
    x = 3,935.38

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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.