Home / 6,878.92-10,317.07-1,947.37

Finding the Fourth Proportional to 6,878.92, 10,317.07 and 1,947.37

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Solution

The fourth proportional to 6,878.92, 10,317.07 and 1,947.37 is: 2,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.92 : 10,317.07 = 1,947.37 : x
  2. Step 2: Convert to fraction form
    6,878.92/10,317.07 = 1,947.37/x
  3. Step 3: Cross multiply
    6,878.92x = 10,317.07 × 1,947.37
  4. Step 4: Simplify right side
    6,878.92x = 20,091,142.87
  5. Step 5: Solve for x
    x = 20,091,142.87/6,878.92
  6. Step 6: Final answer
    x = 2,920.68

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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.