Home / 4,286.13-6,429.19-1,208.13

Finding the Fourth Proportional to 4,286.13, 6,429.19 and 1,208.13

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Solution

The fourth proportional to 4,286.13, 6,429.19 and 1,208.13 is: 1,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.13 : 6,429.19 = 1,208.13 : x
  2. Step 2: Convert to fraction form
    4,286.13/6,429.19 = 1,208.13/x
  3. Step 3: Cross multiply
    4,286.13x = 6,429.19 × 1,208.13
  4. Step 4: Simplify right side
    4,286.13x = 7,767,297.31
  5. Step 5: Solve for x
    x = 7,767,297.31/4,286.13
  6. Step 6: Final answer
    x = 1,812.19

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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.