Home / 4,226.79-6,339.78-1,305.12

Finding the Fourth Proportional to 4,226.79, 6,339.78 and 1,305.12

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Solution

The fourth proportional to 4,226.79, 6,339.78 and 1,305.12 is: 1,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.79 : 6,339.78 = 1,305.12 : x
  2. Step 2: Convert to fraction form
    4,226.79/6,339.78 = 1,305.12/x
  3. Step 3: Cross multiply
    4,226.79x = 6,339.78 × 1,305.12
  4. Step 4: Simplify right side
    4,226.79x = 8,274,173.67
  5. Step 5: Solve for x
    x = 8,274,173.67/4,226.79
  6. Step 6: Final answer
    x = 1,957.55

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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.