Home / 5,571.30-8,359.20-2,451.90

Finding the Fourth Proportional to 5,571.30, 8,359.20 and 2,451.90

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Solution

The fourth proportional to 5,571.30, 8,359.20 and 2,451.90 is: 3,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.30 : 8,359.20 = 2,451.90 : x
  2. Step 2: Convert to fraction form
    5,571.30/8,359.20 = 2,451.90/x
  3. Step 3: Cross multiply
    5,571.30x = 8,359.20 × 2,451.90
  4. Step 4: Simplify right side
    5,571.30x = 20,495,922.48
  5. Step 5: Solve for x
    x = 20,495,922.48/5,571.30
  6. Step 6: Final answer
    x = 3,678.84

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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.