Home / 7,819.93-11,725.03-4,359.61

Finding the Fourth Proportional to 7,819.93, 11,725.03 and 4,359.61

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Solution

The fourth proportional to 7,819.93, 11,725.03 and 4,359.61 is: 6,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.93 : 11,725.03 = 4,359.61 : x
  2. Step 2: Convert to fraction form
    7,819.93/11,725.03 = 4,359.61/x
  3. Step 3: Cross multiply
    7,819.93x = 11,725.03 × 4,359.61
  4. Step 4: Simplify right side
    7,819.93x = 51,116,558.04
  5. Step 5: Solve for x
    x = 51,116,558.04/7,819.93
  6. Step 6: Final answer
    x = 6,536.70

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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.