Home / 7,884.06-11,817.99-2,686.02

Finding the Fourth Proportional to 7,884.06, 11,817.99 and 2,686.02

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Solution

The fourth proportional to 7,884.06, 11,817.99 and 2,686.02 is: 4,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.06 : 11,817.99 = 2,686.02 : x
  2. Step 2: Convert to fraction form
    7,884.06/11,817.99 = 2,686.02/x
  3. Step 3: Cross multiply
    7,884.06x = 11,817.99 × 2,686.02
  4. Step 4: Simplify right side
    7,884.06x = 31,743,357.50
  5. Step 5: Solve for x
    x = 31,743,357.50/7,884.06
  6. Step 6: Final answer
    x = 4,026.27

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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.