Home / 8,439.92-12,633.30-5,791.95

Finding the Fourth Proportional to 8,439.92, 12,633.30 and 5,791.95

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Solution

The fourth proportional to 8,439.92, 12,633.30 and 5,791.95 is: 8,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.92 : 12,633.30 = 5,791.95 : x
  2. Step 2: Convert to fraction form
    8,439.92/12,633.30 = 5,791.95/x
  3. Step 3: Cross multiply
    8,439.92x = 12,633.30 × 5,791.95
  4. Step 4: Simplify right side
    8,439.92x = 73,171,378.77
  5. Step 5: Solve for x
    x = 73,171,378.77/8,439.92
  6. Step 6: Final answer
    x = 8,669.68

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1.5x scale

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.