Home / 4,261.80-6,393.78-1,340.10

Finding the Fourth Proportional to 4,261.80, 6,393.78 and 1,340.10

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Solution

The fourth proportional to 4,261.80, 6,393.78 and 1,340.10 is: 2,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.80 : 6,393.78 = 1,340.10 : x
  2. Step 2: Convert to fraction form
    4,261.80/6,393.78 = 1,340.10/x
  3. Step 3: Cross multiply
    4,261.80x = 6,393.78 × 1,340.10
  4. Step 4: Simplify right side
    4,261.80x = 8,568,304.58
  5. Step 5: Solve for x
    x = 8,568,304.58/4,261.80
  6. Step 6: Final answer
    x = 2,010.49

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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.