Home / 7,784.10-11,672.66-2,850.30

Finding the Fourth Proportional to 7,784.10, 11,672.66 and 2,850.30

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Solution

The fourth proportional to 7,784.10, 11,672.66 and 2,850.30 is: 4,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.10 : 11,672.66 = 2,850.30 : x
  2. Step 2: Convert to fraction form
    7,784.10/11,672.66 = 2,850.30/x
  3. Step 3: Cross multiply
    7,784.10x = 11,672.66 × 2,850.30
  4. Step 4: Simplify right side
    7,784.10x = 33,270,582.80
  5. Step 5: Solve for x
    x = 33,270,582.80/7,784.10
  6. Step 6: Final answer
    x = 4,274.17

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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.