Home / 5,672.36-8,505.81-1,974.51

Finding the Fourth Proportional to 5,672.36, 8,505.81 and 1,974.51

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Solution

The fourth proportional to 5,672.36, 8,505.81 and 1,974.51 is: 2,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.36 : 8,505.81 = 1,974.51 : x
  2. Step 2: Convert to fraction form
    5,672.36/8,505.81 = 1,974.51/x
  3. Step 3: Cross multiply
    5,672.36x = 8,505.81 × 1,974.51
  4. Step 4: Simplify right side
    5,672.36x = 16,794,806.90
  5. Step 5: Solve for x
    x = 16,794,806.90/5,672.36
  6. Step 6: Final answer
    x = 2,960.81

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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.