Home / 6,257.50-9,378.76-2,921.26

Finding the Fourth Proportional to 6,257.50, 9,378.76 and 2,921.26

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Solution

The fourth proportional to 6,257.50, 9,378.76 and 2,921.26 is: 4,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.50 : 9,378.76 = 2,921.26 : x
  2. Step 2: Convert to fraction form
    6,257.50/9,378.76 = 2,921.26/x
  3. Step 3: Cross multiply
    6,257.50x = 9,378.76 × 2,921.26
  4. Step 4: Simplify right side
    6,257.50x = 27,397,796.44
  5. Step 5: Solve for x
    x = 27,397,796.44/6,257.50
  6. Step 6: Final answer
    x = 4,378.39

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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.