Home / 8,108.24-12,181.80-5,192.24

Finding the Fourth Proportional to 8,108.24, 12,181.80 and 5,192.24

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Solution

The fourth proportional to 8,108.24, 12,181.80 and 5,192.24 is: 7,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.24 : 12,181.80 = 5,192.24 : x
  2. Step 2: Convert to fraction form
    8,108.24/12,181.80 = 5,192.24/x
  3. Step 3: Cross multiply
    8,108.24x = 12,181.80 × 5,192.24
  4. Step 4: Simplify right side
    8,108.24x = 63,250,829.23
  5. Step 5: Solve for x
    x = 63,250,829.23/8,108.24
  6. Step 6: Final answer
    x = 7,800.81

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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.