Home / 7,904.50-11,857.88-2,359.54

Finding the Fourth Proportional to 7,904.50, 11,857.88 and 2,359.54

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Solution

The fourth proportional to 7,904.50, 11,857.88 and 2,359.54 is: 3,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.50 : 11,857.88 = 2,359.54 : x
  2. Step 2: Convert to fraction form
    7,904.50/11,857.88 = 2,359.54/x
  3. Step 3: Cross multiply
    7,904.50x = 11,857.88 × 2,359.54
  4. Step 4: Simplify right side
    7,904.50x = 27,979,142.18
  5. Step 5: Solve for x
    x = 27,979,142.18/7,904.50
  6. Step 6: Final answer
    x = 3,539.65

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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.