Home / 7,249.92-10,878.60-2,871.06

Finding the Fourth Proportional to 7,249.92, 10,878.60 and 2,871.06

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Solution

The fourth proportional to 7,249.92, 10,878.60 and 2,871.06 is: 4,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.92 : 10,878.60 = 2,871.06 : x
  2. Step 2: Convert to fraction form
    7,249.92/10,878.60 = 2,871.06/x
  3. Step 3: Cross multiply
    7,249.92x = 10,878.60 × 2,871.06
  4. Step 4: Simplify right side
    7,249.92x = 31,233,113.32
  5. Step 5: Solve for x
    x = 31,233,113.32/7,249.92
  6. Step 6: Final answer
    x = 4,308.06

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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.