Home / 8,114.91-12,174.39-2,271.48

Finding the Fourth Proportional to 8,114.91, 12,174.39 and 2,271.48

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Solution

The fourth proportional to 8,114.91, 12,174.39 and 2,271.48 is: 3,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.91 : 12,174.39 = 2,271.48 : x
  2. Step 2: Convert to fraction form
    8,114.91/12,174.39 = 2,271.48/x
  3. Step 3: Cross multiply
    8,114.91x = 12,174.39 × 2,271.48
  4. Step 4: Simplify right side
    8,114.91x = 27,653,883.40
  5. Step 5: Solve for x
    x = 27,653,883.40/8,114.91
  6. Step 6: Final answer
    x = 3,407.79

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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.