Home / 6,878.89-10,313.78-2,496.39

Finding the Fourth Proportional to 6,878.89, 10,313.78 and 2,496.39

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Solution

The fourth proportional to 6,878.89, 10,313.78 and 2,496.39 is: 3,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.89 : 10,313.78 = 2,496.39 : x
  2. Step 2: Convert to fraction form
    6,878.89/10,313.78 = 2,496.39/x
  3. Step 3: Cross multiply
    6,878.89x = 10,313.78 × 2,496.39
  4. Step 4: Simplify right side
    6,878.89x = 25,747,180.14
  5. Step 5: Solve for x
    x = 25,747,180.14/6,878.89
  6. Step 6: Final answer
    x = 3,742.93

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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.