Home / 5,580.19-8,361.05-2,800.99

Finding the Fourth Proportional to 5,580.19, 8,361.05 and 2,800.99

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Solution

The fourth proportional to 5,580.19, 8,361.05 and 2,800.99 is: 4,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.19 : 8,361.05 = 2,800.99 : x
  2. Step 2: Convert to fraction form
    5,580.19/8,361.05 = 2,800.99/x
  3. Step 3: Cross multiply
    5,580.19x = 8,361.05 × 2,800.99
  4. Step 4: Simplify right side
    5,580.19x = 23,419,213.89
  5. Step 5: Solve for x
    x = 23,419,213.89/5,580.19
  6. Step 6: Final answer
    x = 4,196.85

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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.