Home / 4,519.26-6,776.41-1,398.40

Finding the Fourth Proportional to 4,519.26, 6,776.41 and 1,398.40

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Solution

The fourth proportional to 4,519.26, 6,776.41 and 1,398.40 is: 2,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.26 : 6,776.41 = 1,398.40 : x
  2. Step 2: Convert to fraction form
    4,519.26/6,776.41 = 1,398.40/x
  3. Step 3: Cross multiply
    4,519.26x = 6,776.41 × 1,398.40
  4. Step 4: Simplify right side
    4,519.26x = 9,476,131.74
  5. Step 5: Solve for x
    x = 9,476,131.74/4,519.26
  6. Step 6: Final answer
    x = 2,096.83

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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.