Home / 7,770.43-11,655.70-2,838.04

Finding the Fourth Proportional to 7,770.43, 11,655.70 and 2,838.04

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Solution

The fourth proportional to 7,770.43, 11,655.70 and 2,838.04 is: 4,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.43 : 11,655.70 = 2,838.04 : x
  2. Step 2: Convert to fraction form
    7,770.43/11,655.70 = 2,838.04/x
  3. Step 3: Cross multiply
    7,770.43x = 11,655.70 × 2,838.04
  4. Step 4: Simplify right side
    7,770.43x = 33,079,306.59
  5. Step 5: Solve for x
    x = 33,079,306.59/7,770.43
  6. Step 6: Final answer
    x = 4,257.07

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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.