Home / 8,439.91-12,633.30-5,791.93

Finding the Fourth Proportional to 8,439.91, 12,633.30 and 5,791.93

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Solution

The fourth proportional to 8,439.91, 12,633.30 and 5,791.93 is: 8,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.91 : 12,633.30 = 5,791.93 : x
  2. Step 2: Convert to fraction form
    8,439.91/12,633.30 = 5,791.93/x
  3. Step 3: Cross multiply
    8,439.91x = 12,633.30 × 5,791.93
  4. Step 4: Simplify right side
    8,439.91x = 73,171,189.27
  5. Step 5: Solve for x
    x = 73,171,189.27/8,439.91
  6. Step 6: Final answer
    x = 8,669.66

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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.