Home / 7,931.22-11,898.17-2,735.88

Finding the Fourth Proportional to 7,931.22, 11,898.17 and 2,735.88

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Solution

The fourth proportional to 7,931.22, 11,898.17 and 2,735.88 is: 4,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.22 : 11,898.17 = 2,735.88 : x
  2. Step 2: Convert to fraction form
    7,931.22/11,898.17 = 2,735.88/x
  3. Step 3: Cross multiply
    7,931.22x = 11,898.17 × 2,735.88
  4. Step 4: Simplify right side
    7,931.22x = 32,551,965.34
  5. Step 5: Solve for x
    x = 32,551,965.34/7,931.22
  6. Step 6: Final answer
    x = 4,104.28

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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.