Home / 8,156.07-12,232.76-2,311.38

Finding the Fourth Proportional to 8,156.07, 12,232.76 and 2,311.38

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Solution

The fourth proportional to 8,156.07, 12,232.76 and 2,311.38 is: 3,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.07 : 12,232.76 = 2,311.38 : x
  2. Step 2: Convert to fraction form
    8,156.07/12,232.76 = 2,311.38/x
  3. Step 3: Cross multiply
    8,156.07x = 12,232.76 × 2,311.38
  4. Step 4: Simplify right side
    8,156.07x = 28,274,545.25
  5. Step 5: Solve for x
    x = 28,274,545.25/8,156.07
  6. Step 6: Final answer
    x = 3,466.69

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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.