Home / 7,886.26-11,837.60-5,808.61

Finding the Fourth Proportional to 7,886.26, 11,837.60 and 5,808.61

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Solution

The fourth proportional to 7,886.26, 11,837.60 and 5,808.61 is: 8,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.26 : 11,837.60 = 5,808.61 : x
  2. Step 2: Convert to fraction form
    7,886.26/11,837.60 = 5,808.61/x
  3. Step 3: Cross multiply
    7,886.26x = 11,837.60 × 5,808.61
  4. Step 4: Simplify right side
    7,886.26x = 68,759,972.69
  5. Step 5: Solve for x
    x = 68,759,972.69/7,886.26
  6. Step 6: Final answer
    x = 8,718.96

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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.