Home / 4,851.90-7,279.43-3,983.94

Finding the Fourth Proportional to 4,851.90, 7,279.43 and 3,983.94

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Solution

The fourth proportional to 4,851.90, 7,279.43 and 3,983.94 is: 5,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.90 : 7,279.43 = 3,983.94 : x
  2. Step 2: Convert to fraction form
    4,851.90/7,279.43 = 3,983.94/x
  3. Step 3: Cross multiply
    4,851.90x = 7,279.43 × 3,983.94
  4. Step 4: Simplify right side
    4,851.90x = 29,000,792.43
  5. Step 5: Solve for x
    x = 29,000,792.43/4,851.90
  6. Step 6: Final answer
    x = 5,977.20

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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.