Home / 8,634.55-12,950.43-3,086.95

Finding the Fourth Proportional to 8,634.55, 12,950.43 and 3,086.95

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Solution

The fourth proportional to 8,634.55, 12,950.43 and 3,086.95 is: 4,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.55 : 12,950.43 = 3,086.95 : x
  2. Step 2: Convert to fraction form
    8,634.55/12,950.43 = 3,086.95/x
  3. Step 3: Cross multiply
    8,634.55x = 12,950.43 × 3,086.95
  4. Step 4: Simplify right side
    8,634.55x = 39,977,329.89
  5. Step 5: Solve for x
    x = 39,977,329.89/8,634.55
  6. Step 6: Final answer
    x = 4,629.93

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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.