Home / 5,228.10-7,839.30-3,586.50

Finding the Fourth Proportional to 5,228.10, 7,839.30 and 3,586.50

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Solution

The fourth proportional to 5,228.10, 7,839.30 and 3,586.50 is: 5,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.10 : 7,839.30 = 3,586.50 : x
  2. Step 2: Convert to fraction form
    5,228.10/7,839.30 = 3,586.50/x
  3. Step 3: Cross multiply
    5,228.10x = 7,839.30 × 3,586.50
  4. Step 4: Simplify right side
    5,228.10x = 28,115,649.45
  5. Step 5: Solve for x
    x = 28,115,649.45/5,228.10
  6. Step 6: Final answer
    x = 5,377.79

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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.