Home / 7,935.55-11,899.48-2,387.86

Finding the Fourth Proportional to 7,935.55, 11,899.48 and 2,387.86

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Solution

The fourth proportional to 7,935.55, 11,899.48 and 2,387.86 is: 3,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.55 : 11,899.48 = 2,387.86 : x
  2. Step 2: Convert to fraction form
    7,935.55/11,899.48 = 2,387.86/x
  3. Step 3: Cross multiply
    7,935.55x = 11,899.48 × 2,387.86
  4. Step 4: Simplify right side
    7,935.55x = 28,414,286.34
  5. Step 5: Solve for x
    x = 28,414,286.34/7,935.55
  6. Step 6: Final answer
    x = 3,580.63

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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.