Home / 8,218.23-12,321.06-2,668.20

Finding the Fourth Proportional to 8,218.23, 12,321.06 and 2,668.20

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Solution

The fourth proportional to 8,218.23, 12,321.06 and 2,668.20 is: 4,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.23 : 12,321.06 = 2,668.20 : x
  2. Step 2: Convert to fraction form
    8,218.23/12,321.06 = 2,668.20/x
  3. Step 3: Cross multiply
    8,218.23x = 12,321.06 × 2,668.20
  4. Step 4: Simplify right side
    8,218.23x = 32,875,052.29
  5. Step 5: Solve for x
    x = 32,875,052.29/8,218.23
  6. Step 6: Final answer
    x = 4,000.26

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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.