Home / 5,252.96-7,879.66-1,965.72

Finding the Fourth Proportional to 5,252.96, 7,879.66 and 1,965.72

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Solution

The fourth proportional to 5,252.96, 7,879.66 and 1,965.72 is: 2,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.96 : 7,879.66 = 1,965.72 : x
  2. Step 2: Convert to fraction form
    5,252.96/7,879.66 = 1,965.72/x
  3. Step 3: Cross multiply
    5,252.96x = 7,879.66 × 1,965.72
  4. Step 4: Simplify right side
    5,252.96x = 15,489,205.26
  5. Step 5: Solve for x
    x = 15,489,205.26/5,252.96
  6. Step 6: Final answer
    x = 2,948.66

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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.