Home / 7,880.00-11,819.97-2,036.61

Finding the Fourth Proportional to 7,880.00, 11,819.97 and 2,036.61

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Solution

The fourth proportional to 7,880.00, 11,819.97 and 2,036.61 is: 3,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.00 : 11,819.97 = 2,036.61 : x
  2. Step 2: Convert to fraction form
    7,880.00/11,819.97 = 2,036.61/x
  3. Step 3: Cross multiply
    7,880.00x = 11,819.97 × 2,036.61
  4. Step 4: Simplify right side
    7,880.00x = 24,072,669.10
  5. Step 5: Solve for x
    x = 24,072,669.10/7,880.00
  6. Step 6: Final answer
    x = 3,054.91

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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.