Home / 8,855.11-13,284.49-3,307.12

Finding the Fourth Proportional to 8,855.11, 13,284.49 and 3,307.12

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Solution

The fourth proportional to 8,855.11, 13,284.49 and 3,307.12 is: 4,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.11 : 13,284.49 = 3,307.12 : x
  2. Step 2: Convert to fraction form
    8,855.11/13,284.49 = 3,307.12/x
  3. Step 3: Cross multiply
    8,855.11x = 13,284.49 × 3,307.12
  4. Step 4: Simplify right side
    8,855.11x = 43,933,402.57
  5. Step 5: Solve for x
    x = 43,933,402.57/8,855.11
  6. Step 6: Final answer
    x = 4,961.36

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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.