Home / 5,191.49-7,773.37-2,721.13

Finding the Fourth Proportional to 5,191.49, 7,773.37 and 2,721.13

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Solution

The fourth proportional to 5,191.49, 7,773.37 and 2,721.13 is: 4,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.49 : 7,773.37 = 2,721.13 : x
  2. Step 2: Convert to fraction form
    5,191.49/7,773.37 = 2,721.13/x
  3. Step 3: Cross multiply
    5,191.49x = 7,773.37 × 2,721.13
  4. Step 4: Simplify right side
    5,191.49x = 21,152,324.07
  5. Step 5: Solve for x
    x = 21,152,324.07/5,191.49
  6. Step 6: Final answer
    x = 4,074.42

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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.