Home / 7,886.14-11,819.49-4,376.02

Finding the Fourth Proportional to 7,886.14, 11,819.49 and 4,376.02

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Solution

The fourth proportional to 7,886.14, 11,819.49 and 4,376.02 is: 6,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.14 : 11,819.49 = 4,376.02 : x
  2. Step 2: Convert to fraction form
    7,886.14/11,819.49 = 4,376.02/x
  3. Step 3: Cross multiply
    7,886.14x = 11,819.49 × 4,376.02
  4. Step 4: Simplify right side
    7,886.14x = 51,722,324.63
  5. Step 5: Solve for x
    x = 51,722,324.63/7,886.14
  6. Step 6: Final answer
    x = 6,558.64

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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.