Home / 4,808.30-7,216.55-2,179.80

Finding the Fourth Proportional to 4,808.30, 7,216.55 and 2,179.80

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Solution

The fourth proportional to 4,808.30, 7,216.55 and 2,179.80 is: 3,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.30 : 7,216.55 = 2,179.80 : x
  2. Step 2: Convert to fraction form
    4,808.30/7,216.55 = 2,179.80/x
  3. Step 3: Cross multiply
    4,808.30x = 7,216.55 × 2,179.80
  4. Step 4: Simplify right side
    4,808.30x = 15,730,635.69
  5. Step 5: Solve for x
    x = 15,730,635.69/4,808.30
  6. Step 6: Final answer
    x = 3,271.56

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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.