Home / 7,444.47-11,164.97-2,178.33

Finding the Fourth Proportional to 7,444.47, 11,164.97 and 2,178.33

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Solution

The fourth proportional to 7,444.47, 11,164.97 and 2,178.33 is: 3,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.47 : 11,164.97 = 2,178.33 : x
  2. Step 2: Convert to fraction form
    7,444.47/11,164.97 = 2,178.33/x
  3. Step 3: Cross multiply
    7,444.47x = 11,164.97 × 2,178.33
  4. Step 4: Simplify right side
    7,444.47x = 24,320,952.68
  5. Step 5: Solve for x
    x = 24,320,952.68/7,444.47
  6. Step 6: Final answer
    x = 3,266.98

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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.