Home / 8,511.11-12,766.75-2,588.96

Finding the Fourth Proportional to 8,511.11, 12,766.75 and 2,588.96

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Solution

The fourth proportional to 8,511.11, 12,766.75 and 2,588.96 is: 3,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.11 : 12,766.75 = 2,588.96 : x
  2. Step 2: Convert to fraction form
    8,511.11/12,766.75 = 2,588.96/x
  3. Step 3: Cross multiply
    8,511.11x = 12,766.75 × 2,588.96
  4. Step 4: Simplify right side
    8,511.11x = 33,052,534.77
  5. Step 5: Solve for x
    x = 33,052,534.77/8,511.11
  6. Step 6: Final answer
    x = 3,883.46

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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.