Home / 6,111.12-9,161.04-2,214.48

Finding the Fourth Proportional to 6,111.12, 9,161.04 and 2,214.48

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Solution

The fourth proportional to 6,111.12, 9,161.04 and 2,214.48 is: 3,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.12 : 9,161.04 = 2,214.48 : x
  2. Step 2: Convert to fraction form
    6,111.12/9,161.04 = 2,214.48/x
  3. Step 3: Cross multiply
    6,111.12x = 9,161.04 × 2,214.48
  4. Step 4: Simplify right side
    6,111.12x = 20,286,939.86
  5. Step 5: Solve for x
    x = 20,286,939.86/6,111.12
  6. Step 6: Final answer
    x = 3,319.68

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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.