Home / 6,257.25-9,386.42-1,640.25

Finding the Fourth Proportional to 6,257.25, 9,386.42 and 1,640.25

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Solution

The fourth proportional to 6,257.25, 9,386.42 and 1,640.25 is: 2,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.25 : 9,386.42 = 1,640.25 : x
  2. Step 2: Convert to fraction form
    6,257.25/9,386.42 = 1,640.25/x
  3. Step 3: Cross multiply
    6,257.25x = 9,386.42 × 1,640.25
  4. Step 4: Simplify right side
    6,257.25x = 15,396,067.20
  5. Step 5: Solve for x
    x = 15,396,067.20/6,257.25
  6. Step 6: Final answer
    x = 2,460.52

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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.