Home / 10,584.96-15,878.08-2,793.78

Finding the Fourth Proportional to 10,584.96, 15,878.08 and 2,793.78

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Solution

The fourth proportional to 10,584.96, 15,878.08 and 2,793.78 is: 4,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584.96 : 15,878.08 = 2,793.78 : x
  2. Step 2: Convert to fraction form
    10,584.96/15,878.08 = 2,793.78/x
  3. Step 3: Cross multiply
    10,584.96x = 15,878.08 × 2,793.78
  4. Step 4: Simplify right side
    10,584.96x = 44,359,862.34
  5. Step 5: Solve for x
    x = 44,359,862.34/10,584.96
  6. Step 6: Final answer
    x = 4,190.84

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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.