Home / 5,518.52-8,277.30-1,820.66

Finding the Fourth Proportional to 5,518.52, 8,277.30 and 1,820.66

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Solution

The fourth proportional to 5,518.52, 8,277.30 and 1,820.66 is: 2,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.52 : 8,277.30 = 1,820.66 : x
  2. Step 2: Convert to fraction form
    5,518.52/8,277.30 = 1,820.66/x
  3. Step 3: Cross multiply
    5,518.52x = 8,277.30 × 1,820.66
  4. Step 4: Simplify right side
    5,518.52x = 15,070,149.02
  5. Step 5: Solve for x
    x = 15,070,149.02/5,518.52
  6. Step 6: Final answer
    x = 2,730.83

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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.