Home / 4,435.91-6,642.92-2,788.37

Finding the Fourth Proportional to 4,435.91, 6,642.92 and 2,788.37

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Solution

The fourth proportional to 4,435.91, 6,642.92 and 2,788.37 is: 4,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.91 : 6,642.92 = 2,788.37 : x
  2. Step 2: Convert to fraction form
    4,435.91/6,642.92 = 2,788.37/x
  3. Step 3: Cross multiply
    4,435.91x = 6,642.92 × 2,788.37
  4. Step 4: Simplify right side
    4,435.91x = 18,522,892.60
  5. Step 5: Solve for x
    x = 18,522,892.60/4,435.91
  6. Step 6: Final answer
    x = 4,175.67

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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.