Home / 5,236.40-7,855.72-1,726.27

Finding the Fourth Proportional to 5,236.40, 7,855.72 and 1,726.27

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Solution

The fourth proportional to 5,236.40, 7,855.72 and 1,726.27 is: 2,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.40 : 7,855.72 = 1,726.27 : x
  2. Step 2: Convert to fraction form
    5,236.40/7,855.72 = 1,726.27/x
  3. Step 3: Cross multiply
    5,236.40x = 7,855.72 × 1,726.27
  4. Step 4: Simplify right side
    5,236.40x = 13,561,078.44
  5. Step 5: Solve for x
    x = 13,561,078.44/5,236.40
  6. Step 6: Final answer
    x = 2,589.77

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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.