Home / 7,902.52-10,905.46-5,108

Finding the Fourth Proportional to 7,902.52, 10,905.46 and 5,108

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Solution

The fourth proportional to 7,902.52, 10,905.46 and 5,108 is: 7,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.52 : 10,905.46 = 5,108 : x
  2. Step 2: Convert to fraction form
    7,902.52/10,905.46 = 5,108/x
  3. Step 3: Cross multiply
    7,902.52x = 10,905.46 × 5,108
  4. Step 4: Simplify right side
    7,902.52x = 55,705,089.68
  5. Step 5: Solve for x
    x = 55,705,089.68/7,902.52
  6. Step 6: Final answer
    x = 7,049.03

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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.