Home / 6,281.32-9,414.66-2,811.28

Finding the Fourth Proportional to 6,281.32, 9,414.66 and 2,811.28

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Solution

The fourth proportional to 6,281.32, 9,414.66 and 2,811.28 is: 4,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.32 : 9,414.66 = 2,811.28 : x
  2. Step 2: Convert to fraction form
    6,281.32/9,414.66 = 2,811.28/x
  3. Step 3: Cross multiply
    6,281.32x = 9,414.66 × 2,811.28
  4. Step 4: Simplify right side
    6,281.32x = 26,467,245.36
  5. Step 5: Solve for x
    x = 26,467,245.36/6,281.32
  6. Step 6: Final answer
    x = 4,213.64

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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.