Home / 4,807.25-7,201.30-3,158.80

Finding the Fourth Proportional to 4,807.25, 7,201.30 and 3,158.80

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Solution

The fourth proportional to 4,807.25, 7,201.30 and 3,158.80 is: 4,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.25 : 7,201.30 = 3,158.80 : x
  2. Step 2: Convert to fraction form
    4,807.25/7,201.30 = 3,158.80/x
  3. Step 3: Cross multiply
    4,807.25x = 7,201.30 × 3,158.80
  4. Step 4: Simplify right side
    4,807.25x = 22,747,466.44
  5. Step 5: Solve for x
    x = 22,747,466.44/4,807.25
  6. Step 6: Final answer
    x = 4,731.91

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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.