Home / 8,633.01-12,947.63-3,086.74

Finding the Fourth Proportional to 8,633.01, 12,947.63 and 3,086.74

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Solution

The fourth proportional to 8,633.01, 12,947.63 and 3,086.74 is: 4,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.01 : 12,947.63 = 3,086.74 : x
  2. Step 2: Convert to fraction form
    8,633.01/12,947.63 = 3,086.74/x
  3. Step 3: Cross multiply
    8,633.01x = 12,947.63 × 3,086.74
  4. Step 4: Simplify right side
    8,633.01x = 39,965,942.77
  5. Step 5: Solve for x
    x = 39,965,942.77/8,633.01
  6. Step 6: Final answer
    x = 4,629.43

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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.