Home / 6,878.64-10,321.44-3,176.70

Finding the Fourth Proportional to 6,878.64, 10,321.44 and 3,176.70

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Solution

The fourth proportional to 6,878.64, 10,321.44 and 3,176.70 is: 4,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.64 : 10,321.44 = 3,176.70 : x
  2. Step 2: Convert to fraction form
    6,878.64/10,321.44 = 3,176.70/x
  3. Step 3: Cross multiply
    6,878.64x = 10,321.44 × 3,176.70
  4. Step 4: Simplify right side
    6,878.64x = 32,788,118.45
  5. Step 5: Solve for x
    x = 32,788,118.45/6,878.64
  6. Step 6: Final answer
    x = 4,766.66

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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.