Home / 8,331.22-11,500.78-6,341.86

Finding the Fourth Proportional to 8,331.22, 11,500.78 and 6,341.86

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Solution

The fourth proportional to 8,331.22, 11,500.78 and 6,341.86 is: 8,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.22 : 11,500.78 = 6,341.86 : x
  2. Step 2: Convert to fraction form
    8,331.22/11,500.78 = 6,341.86/x
  3. Step 3: Cross multiply
    8,331.22x = 11,500.78 × 6,341.86
  4. Step 4: Simplify right side
    8,331.22x = 72,936,336.65
  5. Step 5: Solve for x
    x = 72,936,336.65/8,331.22
  6. Step 6: Final answer
    x = 8,754.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.