Home / 8,511.15-12,758.00-2,959.94

Finding the Fourth Proportional to 8,511.15, 12,758.00 and 2,959.94

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Solution

The fourth proportional to 8,511.15, 12,758.00 and 2,959.94 is: 4,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.15 : 12,758.00 = 2,959.94 : x
  2. Step 2: Convert to fraction form
    8,511.15/12,758.00 = 2,959.94/x
  3. Step 3: Cross multiply
    8,511.15x = 12,758.00 × 2,959.94
  4. Step 4: Simplify right side
    8,511.15x = 37,762,835.93
  5. Step 5: Solve for x
    x = 37,762,835.93/8,511.15
  6. Step 6: Final answer
    x = 4,436.87

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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.