Home / 4,286.44-6,429.67-1,513.28

Finding the Fourth Proportional to 4,286.44, 6,429.67 and 1,513.28

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Solution

The fourth proportional to 4,286.44, 6,429.67 and 1,513.28 is: 2,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.44 : 6,429.67 = 1,513.28 : x
  2. Step 2: Convert to fraction form
    4,286.44/6,429.67 = 1,513.28/x
  3. Step 3: Cross multiply
    4,286.44x = 6,429.67 × 1,513.28
  4. Step 4: Simplify right side
    4,286.44x = 9,729,883.45
  5. Step 5: Solve for x
    x = 9,729,883.45/4,286.44
  6. Step 6: Final answer
    x = 2,269.92

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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.