Home / 6,876.28-10,314.78-4,104.28

Finding the Fourth Proportional to 6,876.28, 10,314.78 and 4,104.28

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Solution

The fourth proportional to 6,876.28, 10,314.78 and 4,104.28 is: 6,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.28 : 10,314.78 = 4,104.28 : x
  2. Step 2: Convert to fraction form
    6,876.28/10,314.78 = 4,104.28/x
  3. Step 3: Cross multiply
    6,876.28x = 10,314.78 × 4,104.28
  4. Step 4: Simplify right side
    6,876.28x = 42,334,745.26
  5. Step 5: Solve for x
    x = 42,334,745.26/6,876.28
  6. Step 6: Final answer
    x = 6,156.63

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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.