Home / 4,938.50-6,813.92-3,172.52

Finding the Fourth Proportional to 4,938.50, 6,813.92 and 3,172.52

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Solution

The fourth proportional to 4,938.50, 6,813.92 and 3,172.52 is: 4,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.50 : 6,813.92 = 3,172.52 : x
  2. Step 2: Convert to fraction form
    4,938.50/6,813.92 = 3,172.52/x
  3. Step 3: Cross multiply
    4,938.50x = 6,813.92 × 3,172.52
  4. Step 4: Simplify right side
    4,938.50x = 21,617,297.48
  5. Step 5: Solve for x
    x = 21,617,297.48/4,938.50
  6. Step 6: Final answer
    x = 4,377.30

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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.