Home / 5,162.05-7,123.61-2,804.19

Finding the Fourth Proportional to 5,162.05, 7,123.61 and 2,804.19

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Solution

The fourth proportional to 5,162.05, 7,123.61 and 2,804.19 is: 3,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.05 : 7,123.61 = 2,804.19 : x
  2. Step 2: Convert to fraction form
    5,162.05/7,123.61 = 2,804.19/x
  3. Step 3: Cross multiply
    5,162.05x = 7,123.61 × 2,804.19
  4. Step 4: Simplify right side
    5,162.05x = 19,975,936.22
  5. Step 5: Solve for x
    x = 19,975,936.22/5,162.05
  6. Step 6: Final answer
    x = 3,869.77

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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.