Home / 4,297.28-6,446.84-1,335.66

Finding the Fourth Proportional to 4,297.28, 6,446.84 and 1,335.66

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Solution

The fourth proportional to 4,297.28, 6,446.84 and 1,335.66 is: 2,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.28 : 6,446.84 = 1,335.66 : x
  2. Step 2: Convert to fraction form
    4,297.28/6,446.84 = 1,335.66/x
  3. Step 3: Cross multiply
    4,297.28x = 6,446.84 × 1,335.66
  4. Step 4: Simplify right side
    4,297.28x = 8,610,786.31
  5. Step 5: Solve for x
    x = 8,610,786.31/4,297.28
  6. Step 6: Final answer
    x = 2,003.78

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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.