Home / 8,135.55-12,203.33-3,202.50

Finding the Fourth Proportional to 8,135.55, 12,203.33 and 3,202.50

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Solution

The fourth proportional to 8,135.55, 12,203.33 and 3,202.50 is: 4,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.55 : 12,203.33 = 3,202.50 : x
  2. Step 2: Convert to fraction form
    8,135.55/12,203.33 = 3,202.50/x
  3. Step 3: Cross multiply
    8,135.55x = 12,203.33 × 3,202.50
  4. Step 4: Simplify right side
    8,135.55x = 39,081,148.31
  5. Step 5: Solve for x
    x = 39,081,148.31/8,135.55
  6. Step 6: Final answer
    x = 4,803.75

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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.