Home / 8,166.51-12,247.97-2,618.79

Finding the Fourth Proportional to 8,166.51, 12,247.97 and 2,618.79

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Solution

The fourth proportional to 8,166.51, 12,247.97 and 2,618.79 is: 3,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.51 : 12,247.97 = 2,618.79 : x
  2. Step 2: Convert to fraction form
    8,166.51/12,247.97 = 2,618.79/x
  3. Step 3: Cross multiply
    8,166.51x = 12,247.97 × 2,618.79
  4. Step 4: Simplify right side
    8,166.51x = 32,074,848.26
  5. Step 5: Solve for x
    x = 32,074,848.26/8,166.51
  6. Step 6: Final answer
    x = 3,927.61

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1.5x scale

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.