Home / 7,827.12-11,742.48-2,632.86

Finding the Fourth Proportional to 7,827.12, 11,742.48 and 2,632.86

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Solution

The fourth proportional to 7,827.12, 11,742.48 and 2,632.86 is: 3,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.12 : 11,742.48 = 2,632.86 : x
  2. Step 2: Convert to fraction form
    7,827.12/11,742.48 = 2,632.86/x
  3. Step 3: Cross multiply
    7,827.12x = 11,742.48 × 2,632.86
  4. Step 4: Simplify right side
    7,827.12x = 30,916,305.89
  5. Step 5: Solve for x
    x = 30,916,305.89/7,827.12
  6. Step 6: Final answer
    x = 3,949.90

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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.