Home / 8,166.34-11,257.50-6,371.82

Finding the Fourth Proportional to 8,166.34, 11,257.50 and 6,371.82

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Solution

The fourth proportional to 8,166.34, 11,257.50 and 6,371.82 is: 8,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.34 : 11,257.50 = 6,371.82 : x
  2. Step 2: Convert to fraction form
    8,166.34/11,257.50 = 6,371.82/x
  3. Step 3: Cross multiply
    8,166.34x = 11,257.50 × 6,371.82
  4. Step 4: Simplify right side
    8,166.34x = 71,730,763.65
  5. Step 5: Solve for x
    x = 71,730,763.65/8,166.34
  6. Step 6: Final answer
    x = 8,783.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.