Home / 8,226.85-12,341.30-2,678.71

Finding the Fourth Proportional to 8,226.85, 12,341.30 and 2,678.71

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Solution

The fourth proportional to 8,226.85, 12,341.30 and 2,678.71 is: 4,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.85 : 12,341.30 = 2,678.71 : x
  2. Step 2: Convert to fraction form
    8,226.85/12,341.30 = 2,678.71/x
  3. Step 3: Cross multiply
    8,226.85x = 12,341.30 × 2,678.71
  4. Step 4: Simplify right side
    8,226.85x = 33,058,763.72
  5. Step 5: Solve for x
    x = 33,058,763.72/8,226.85
  6. Step 6: Final answer
    x = 4,018.40

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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.