Home / 5,284.11-7,291.78-2,926.09

Finding the Fourth Proportional to 5,284.11, 7,291.78 and 2,926.09

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Solution

The fourth proportional to 5,284.11, 7,291.78 and 2,926.09 is: 4,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.11 : 7,291.78 = 2,926.09 : x
  2. Step 2: Convert to fraction form
    5,284.11/7,291.78 = 2,926.09/x
  3. Step 3: Cross multiply
    5,284.11x = 7,291.78 × 2,926.09
  4. Step 4: Simplify right side
    5,284.11x = 21,336,404.54
  5. Step 5: Solve for x
    x = 21,336,404.54/5,284.11
  6. Step 6: Final answer
    x = 4,037.84

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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.