Home / 3,712.60-5,564.10-3,299.80

Finding the Fourth Proportional to 3,712.60, 5,564.10 and 3,299.80

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Solution

The fourth proportional to 3,712.60, 5,564.10 and 3,299.80 is: 4,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.60 : 5,564.10 = 3,299.80 : x
  2. Step 2: Convert to fraction form
    3,712.60/5,564.10 = 3,299.80/x
  3. Step 3: Cross multiply
    3,712.60x = 5,564.10 × 3,299.80
  4. Step 4: Simplify right side
    3,712.60x = 18,360,417.18
  5. Step 5: Solve for x
    x = 18,360,417.18/3,712.60
  6. Step 6: Final answer
    x = 4,945.43

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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.