Home / 4,821.02-7,223.28-2,631.29

Finding the Fourth Proportional to 4,821.02, 7,223.28 and 2,631.29

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Solution

The fourth proportional to 4,821.02, 7,223.28 and 2,631.29 is: 3,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.02 : 7,223.28 = 2,631.29 : x
  2. Step 2: Convert to fraction form
    4,821.02/7,223.28 = 2,631.29/x
  3. Step 3: Cross multiply
    4,821.02x = 7,223.28 × 2,631.29
  4. Step 4: Simplify right side
    4,821.02x = 19,006,544.43
  5. Step 5: Solve for x
    x = 19,006,544.43/4,821.02
  6. Step 6: Final answer
    x = 3,942.43

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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.