Home / 7,564.20-11,350.74-3,181.32

Finding the Fourth Proportional to 7,564.20, 11,350.74 and 3,181.32

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Solution

The fourth proportional to 7,564.20, 11,350.74 and 3,181.32 is: 4,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.20 : 11,350.74 = 3,181.32 : x
  2. Step 2: Convert to fraction form
    7,564.20/11,350.74 = 3,181.32/x
  3. Step 3: Cross multiply
    7,564.20x = 11,350.74 × 3,181.32
  4. Step 4: Simplify right side
    7,564.20x = 36,110,336.18
  5. Step 5: Solve for x
    x = 36,110,336.18/7,564.20
  6. Step 6: Final answer
    x = 4,773.85

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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.