Home / 5,103.20-7,651.20-2,331.20

Finding the Fourth Proportional to 5,103.20, 7,651.20 and 2,331.20

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Solution

The fourth proportional to 5,103.20, 7,651.20 and 2,331.20 is: 3,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.20 : 7,651.20 = 2,331.20 : x
  2. Step 2: Convert to fraction form
    5,103.20/7,651.20 = 2,331.20/x
  3. Step 3: Cross multiply
    5,103.20x = 7,651.20 × 2,331.20
  4. Step 4: Simplify right side
    5,103.20x = 17,836,477.44
  5. Step 5: Solve for x
    x = 17,836,477.44/5,103.20
  6. Step 6: Final answer
    x = 3,495.16

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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.