Home / 5,173.26-7,759.89-4,257.56

Finding the Fourth Proportional to 5,173.26, 7,759.89 and 4,257.56

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Solution

The fourth proportional to 5,173.26, 7,759.89 and 4,257.56 is: 6,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.26 : 7,759.89 = 4,257.56 : x
  2. Step 2: Convert to fraction form
    5,173.26/7,759.89 = 4,257.56/x
  3. Step 3: Cross multiply
    5,173.26x = 7,759.89 × 4,257.56
  4. Step 4: Simplify right side
    5,173.26x = 33,038,197.27
  5. Step 5: Solve for x
    x = 33,038,197.27/5,173.26
  6. Step 6: Final answer
    x = 6,386.34

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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.