Home / 4,759.85-7,140.86-2,568.53

Finding the Fourth Proportional to 4,759.85, 7,140.86 and 2,568.53

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Solution

The fourth proportional to 4,759.85, 7,140.86 and 2,568.53 is: 3,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.85 : 7,140.86 = 2,568.53 : x
  2. Step 2: Convert to fraction form
    4,759.85/7,140.86 = 2,568.53/x
  3. Step 3: Cross multiply
    4,759.85x = 7,140.86 × 2,568.53
  4. Step 4: Simplify right side
    4,759.85x = 18,341,513.14
  5. Step 5: Solve for x
    x = 18,341,513.14/4,759.85
  6. Step 6: Final answer
    x = 3,853.38

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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.