Home / 5,162.09-7,123.68-2,804.22

Finding the Fourth Proportional to 5,162.09, 7,123.68 and 2,804.22

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Solution

The fourth proportional to 5,162.09, 7,123.68 and 2,804.22 is: 3,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.09 : 7,123.68 = 2,804.22 : x
  2. Step 2: Convert to fraction form
    5,162.09/7,123.68 = 2,804.22/x
  3. Step 3: Cross multiply
    5,162.09x = 7,123.68 × 2,804.22
  4. Step 4: Simplify right side
    5,162.09x = 19,976,365.93
  5. Step 5: Solve for x
    x = 19,976,365.93/5,162.09
  6. Step 6: Final answer
    x = 3,869.83

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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.