Home / 7,930.37-11,898.39-3,717.42

Finding the Fourth Proportional to 7,930.37, 11,898.39 and 3,717.42

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Solution

The fourth proportional to 7,930.37, 11,898.39 and 3,717.42 is: 5,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.37 : 11,898.39 = 3,717.42 : x
  2. Step 2: Convert to fraction form
    7,930.37/11,898.39 = 3,717.42/x
  3. Step 3: Cross multiply
    7,930.37x = 11,898.39 × 3,717.42
  4. Step 4: Simplify right side
    7,930.37x = 44,231,312.95
  5. Step 5: Solve for x
    x = 44,231,312.95/7,930.37
  6. Step 6: Final answer
    x = 5,577.46

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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.