Home / 5,237.91-7,858.22-1,540.26

Finding the Fourth Proportional to 5,237.91, 7,858.22 and 1,540.26

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Solution

The fourth proportional to 5,237.91, 7,858.22 and 1,540.26 is: 2,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.91 : 7,858.22 = 1,540.26 : x
  2. Step 2: Convert to fraction form
    5,237.91/7,858.22 = 1,540.26/x
  3. Step 3: Cross multiply
    5,237.91x = 7,858.22 × 1,540.26
  4. Step 4: Simplify right side
    5,237.91x = 12,103,694.24
  5. Step 5: Solve for x
    x = 12,103,694.24/5,237.91
  6. Step 6: Final answer
    x = 2,310.79

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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.