Home / 6,878.32-10,320.62-4,249.87

Finding the Fourth Proportional to 6,878.32, 10,320.62 and 4,249.87

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Solution

The fourth proportional to 6,878.32, 10,320.62 and 4,249.87 is: 6,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.32 : 10,320.62 = 4,249.87 : x
  2. Step 2: Convert to fraction form
    6,878.32/10,320.62 = 4,249.87/x
  3. Step 3: Cross multiply
    6,878.32x = 10,320.62 × 4,249.87
  4. Step 4: Simplify right side
    6,878.32x = 43,861,246.27
  5. Step 5: Solve for x
    x = 43,861,246.27/6,878.32
  6. Step 6: Final answer
    x = 6,376.74

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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.