Home / 4,980.59-7,469.15-2,209.20

Finding the Fourth Proportional to 4,980.59, 7,469.15 and 2,209.20

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Solution

The fourth proportional to 4,980.59, 7,469.15 and 2,209.20 is: 3,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.59 : 7,469.15 = 2,209.20 : x
  2. Step 2: Convert to fraction form
    4,980.59/7,469.15 = 2,209.20/x
  3. Step 3: Cross multiply
    4,980.59x = 7,469.15 × 2,209.20
  4. Step 4: Simplify right side
    4,980.59x = 16,500,846.18
  5. Step 5: Solve for x
    x = 16,500,846.18/4,980.59
  6. Step 6: Final answer
    x = 3,313.03

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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.