Home / 5,211.59-7,191.72-2,853.27

Finding the Fourth Proportional to 5,211.59, 7,191.72 and 2,853.27

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Solution

The fourth proportional to 5,211.59, 7,191.72 and 2,853.27 is: 3,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.59 : 7,191.72 = 2,853.27 : x
  2. Step 2: Convert to fraction form
    5,211.59/7,191.72 = 2,853.27/x
  3. Step 3: Cross multiply
    5,211.59x = 7,191.72 × 2,853.27
  4. Step 4: Simplify right side
    5,211.59x = 20,519,918.92
  5. Step 5: Solve for x
    x = 20,519,918.92/5,211.59
  6. Step 6: Final answer
    x = 3,937.37

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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.