Home / 6,847.46-10,278.28-4,216.86

Finding the Fourth Proportional to 6,847.46, 10,278.28 and 4,216.86

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Solution

The fourth proportional to 6,847.46, 10,278.28 and 4,216.86 is: 6,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.46 : 10,278.28 = 4,216.86 : x
  2. Step 2: Convert to fraction form
    6,847.46/10,278.28 = 4,216.86/x
  3. Step 3: Cross multiply
    6,847.46x = 10,278.28 × 4,216.86
  4. Step 4: Simplify right side
    6,847.46x = 43,342,067.80
  5. Step 5: Solve for x
    x = 43,342,067.80/6,847.46
  6. Step 6: Final answer
    x = 6,329.66

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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.