Home / 6,878.54-10,309.34-3,175.76

Finding the Fourth Proportional to 6,878.54, 10,309.34 and 3,175.76

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Solution

The fourth proportional to 6,878.54, 10,309.34 and 3,175.76 is: 4,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.54 : 10,309.34 = 3,175.76 : x
  2. Step 2: Convert to fraction form
    6,878.54/10,309.34 = 3,175.76/x
  3. Step 3: Cross multiply
    6,878.54x = 10,309.34 × 3,175.76
  4. Step 4: Simplify right side
    6,878.54x = 32,739,989.60
  5. Step 5: Solve for x
    x = 32,739,989.60/6,878.54
  6. Step 6: Final answer
    x = 4,759.73

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1.5x scale

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.