Home / 7,942.58-11,913.95-2,395.97

Finding the Fourth Proportional to 7,942.58, 11,913.95 and 2,395.97

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Solution

The fourth proportional to 7,942.58, 11,913.95 and 2,395.97 is: 3,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.58 : 11,913.95 = 2,395.97 : x
  2. Step 2: Convert to fraction form
    7,942.58/11,913.95 = 2,395.97/x
  3. Step 3: Cross multiply
    7,942.58x = 11,913.95 × 2,395.97
  4. Step 4: Simplify right side
    7,942.58x = 28,545,468.77
  5. Step 5: Solve for x
    x = 28,545,468.77/7,942.58
  6. Step 6: Final answer
    x = 3,593.98

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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.