Home / 8,511.16-12,766.74-2,668.22

Finding the Fourth Proportional to 8,511.16, 12,766.74 and 2,668.22

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Solution

The fourth proportional to 8,511.16, 12,766.74 and 2,668.22 is: 4,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.16 : 12,766.74 = 2,668.22 : x
  2. Step 2: Convert to fraction form
    8,511.16/12,766.74 = 2,668.22/x
  3. Step 3: Cross multiply
    8,511.16x = 12,766.74 × 2,668.22
  4. Step 4: Simplify right side
    8,511.16x = 34,064,502.92
  5. Step 5: Solve for x
    x = 34,064,502.92/8,511.16
  6. Step 6: Final answer
    x = 4,002.33

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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.