Home / 5,209.27-7,191.14-3,323.39

Finding the Fourth Proportional to 5,209.27, 7,191.14 and 3,323.39

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Solution

The fourth proportional to 5,209.27, 7,191.14 and 3,323.39 is: 4,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.27 : 7,191.14 = 3,323.39 : x
  2. Step 2: Convert to fraction form
    5,209.27/7,191.14 = 3,323.39/x
  3. Step 3: Cross multiply
    5,209.27x = 7,191.14 × 3,323.39
  4. Step 4: Simplify right side
    5,209.27x = 23,898,910.19
  5. Step 5: Solve for x
    x = 23,898,910.19/5,209.27
  6. Step 6: Final answer
    x = 4,587.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.