Home / 8,820.86-13,231.37-2,247.05

Finding the Fourth Proportional to 8,820.86, 13,231.37 and 2,247.05

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Solution

The fourth proportional to 8,820.86, 13,231.37 and 2,247.05 is: 3,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.86 : 13,231.37 = 2,247.05 : x
  2. Step 2: Convert to fraction form
    8,820.86/13,231.37 = 2,247.05/x
  3. Step 3: Cross multiply
    8,820.86x = 13,231.37 × 2,247.05
  4. Step 4: Simplify right side
    8,820.86x = 29,731,588.65
  5. Step 5: Solve for x
    x = 29,731,588.65/8,820.86
  6. Step 6: Final answer
    x = 3,370.60

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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.