Home / 8,226.88-12,341.76-2,679.64

Finding the Fourth Proportional to 8,226.88, 12,341.76 and 2,679.64

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Solution

The fourth proportional to 8,226.88, 12,341.76 and 2,679.64 is: 4,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.88 : 12,341.76 = 2,679.64 : x
  2. Step 2: Convert to fraction form
    8,226.88/12,341.76 = 2,679.64/x
  3. Step 3: Cross multiply
    8,226.88x = 12,341.76 × 2,679.64
  4. Step 4: Simplify right side
    8,226.88x = 33,071,473.77
  5. Step 5: Solve for x
    x = 33,071,473.77/8,226.88
  6. Step 6: Final answer
    x = 4,019.93

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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.