Home / 5,211.47-7,191.45-3,222.08

Finding the Fourth Proportional to 5,211.47, 7,191.45 and 3,222.08

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Solution

The fourth proportional to 5,211.47, 7,191.45 and 3,222.08 is: 4,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.47 : 7,191.45 = 3,222.08 : x
  2. Step 2: Convert to fraction form
    5,211.47/7,191.45 = 3,222.08/x
  3. Step 3: Cross multiply
    5,211.47x = 7,191.45 × 3,222.08
  4. Step 4: Simplify right side
    5,211.47x = 23,171,418.23
  5. Step 5: Solve for x
    x = 23,171,418.23/5,211.47
  6. Step 6: Final answer
    x = 4,446.23

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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.