Home / 5,460.52-8,191.60-2,790.64

Finding the Fourth Proportional to 5,460.52, 8,191.60 and 2,790.64

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Solution

The fourth proportional to 5,460.52, 8,191.60 and 2,790.64 is: 4,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.52 : 8,191.60 = 2,790.64 : x
  2. Step 2: Convert to fraction form
    5,460.52/8,191.60 = 2,790.64/x
  3. Step 3: Cross multiply
    5,460.52x = 8,191.60 × 2,790.64
  4. Step 4: Simplify right side
    5,460.52x = 22,859,806.62
  5. Step 5: Solve for x
    x = 22,859,806.62/5,460.52
  6. Step 6: Final answer
    x = 4,186.38

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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.