Home / 8,516.11-12,776.46-2,969.77

Finding the Fourth Proportional to 8,516.11, 12,776.46 and 2,969.77

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Solution

The fourth proportional to 8,516.11, 12,776.46 and 2,969.77 is: 4,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.11 : 12,776.46 = 2,969.77 : x
  2. Step 2: Convert to fraction form
    8,516.11/12,776.46 = 2,969.77/x
  3. Step 3: Cross multiply
    8,516.11x = 12,776.46 × 2,969.77
  4. Step 4: Simplify right side
    8,516.11x = 37,943,147.61
  5. Step 5: Solve for x
    x = 37,943,147.61/8,516.11
  6. Step 6: Final answer
    x = 4,455.46

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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.