Home / 5,209.96-7,811.06-1,922.44

Finding the Fourth Proportional to 5,209.96, 7,811.06 and 1,922.44

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Solution

The fourth proportional to 5,209.96, 7,811.06 and 1,922.44 is: 2,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.96 : 7,811.06 = 1,922.44 : x
  2. Step 2: Convert to fraction form
    5,209.96/7,811.06 = 1,922.44/x
  3. Step 3: Cross multiply
    5,209.96x = 7,811.06 × 1,922.44
  4. Step 4: Simplify right side
    5,209.96x = 15,016,294.19
  5. Step 5: Solve for x
    x = 15,016,294.19/5,209.96
  6. Step 6: Final answer
    x = 2,882.23

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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.