Home / 7,935.12-11,898.83-2,387.43

Finding the Fourth Proportional to 7,935.12, 11,898.83 and 2,387.43

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Solution

The fourth proportional to 7,935.12, 11,898.83 and 2,387.43 is: 3,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.12 : 11,898.83 = 2,387.43 : x
  2. Step 2: Convert to fraction form
    7,935.12/11,898.83 = 2,387.43/x
  3. Step 3: Cross multiply
    7,935.12x = 11,898.83 × 2,387.43
  4. Step 4: Simplify right side
    7,935.12x = 28,407,611.77
  5. Step 5: Solve for x
    x = 28,407,611.77/7,935.12
  6. Step 6: Final answer
    x = 3,579.99

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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.