Home / 5,129.89-7,699.59-2,632.86

Finding the Fourth Proportional to 5,129.89, 7,699.59 and 2,632.86

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Solution

The fourth proportional to 5,129.89, 7,699.59 and 2,632.86 is: 3,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.89 : 7,699.59 = 2,632.86 : x
  2. Step 2: Convert to fraction form
    5,129.89/7,699.59 = 2,632.86/x
  3. Step 3: Cross multiply
    5,129.89x = 7,699.59 × 2,632.86
  4. Step 4: Simplify right side
    5,129.89x = 20,271,942.53
  5. Step 5: Solve for x
    x = 20,271,942.53/5,129.89
  6. Step 6: Final answer
    x = 3,951.73

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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.