Home / 8,166.72-11,270.19-6,118.99

Finding the Fourth Proportional to 8,166.72, 11,270.19 and 6,118.99

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Solution

The fourth proportional to 8,166.72, 11,270.19 and 6,118.99 is: 8,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.72 : 11,270.19 = 6,118.99 : x
  2. Step 2: Convert to fraction form
    8,166.72/11,270.19 = 6,118.99/x
  3. Step 3: Cross multiply
    8,166.72x = 11,270.19 × 6,118.99
  4. Step 4: Simplify right side
    8,166.72x = 68,962,179.91
  5. Step 5: Solve for x
    x = 68,962,179.91/8,166.72
  6. Step 6: Final answer
    x = 8,444.29

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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.