Home / 4,378.26-6,568.38-1,456.68

Finding the Fourth Proportional to 4,378.26, 6,568.38 and 1,456.68

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Solution

The fourth proportional to 4,378.26, 6,568.38 and 1,456.68 is: 2,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.26 : 6,568.38 = 1,456.68 : x
  2. Step 2: Convert to fraction form
    4,378.26/6,568.38 = 1,456.68/x
  3. Step 3: Cross multiply
    4,378.26x = 6,568.38 × 1,456.68
  4. Step 4: Simplify right side
    4,378.26x = 9,568,027.78
  5. Step 5: Solve for x
    x = 9,568,027.78/4,378.26
  6. Step 6: Final answer
    x = 2,185.35

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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.