Home / 7,936.55-11,900.98-2,388.86

Finding the Fourth Proportional to 7,936.55, 11,900.98 and 2,388.86

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Solution

The fourth proportional to 7,936.55, 11,900.98 and 2,388.86 is: 3,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.55 : 11,900.98 = 2,388.86 : x
  2. Step 2: Convert to fraction form
    7,936.55/11,900.98 = 2,388.86/x
  3. Step 3: Cross multiply
    7,936.55x = 11,900.98 × 2,388.86
  4. Step 4: Simplify right side
    7,936.55x = 28,429,775.08
  5. Step 5: Solve for x
    x = 28,429,775.08/7,936.55
  6. Step 6: Final answer
    x = 3,582.13

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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.