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Finding the Fourth Proportional to 7,326.66, 10,110.84 and 4,344

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Solution

The fourth proportional to 7,326.66, 10,110.84 and 4,344 is: 5,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.66 : 10,110.84 = 4,344 : x
  2. Step 2: Convert to fraction form
    7,326.66/10,110.84 = 4,344/x
  3. Step 3: Cross multiply
    7,326.66x = 10,110.84 × 4,344
  4. Step 4: Simplify right side
    7,326.66x = 43,921,488.96
  5. Step 5: Solve for x
    x = 43,921,488.96/7,326.66
  6. Step 6: Final answer
    x = 5,994.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.