Home / 5,079.68-7,612.60-3,106

Finding the Fourth Proportional to 5,079.68, 7,612.60 and 3,106

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Solution

The fourth proportional to 5,079.68, 7,612.60 and 3,106 is: 4,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.68 : 7,612.60 = 3,106 : x
  2. Step 2: Convert to fraction form
    5,079.68/7,612.60 = 3,106/x
  3. Step 3: Cross multiply
    5,079.68x = 7,612.60 × 3,106
  4. Step 4: Simplify right side
    5,079.68x = 23,644,735.60
  5. Step 5: Solve for x
    x = 23,644,735.60/5,079.68
  6. Step 6: Final answer
    x = 4,654.77

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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.