Home / 8,776.11-12,108.90-4,998.42

Finding the Fourth Proportional to 8,776.11, 12,108.90 and 4,998.42

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Solution

The fourth proportional to 8,776.11, 12,108.90 and 4,998.42 is: 6,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.11 : 12,108.90 = 4,998.42 : x
  2. Step 2: Convert to fraction form
    8,776.11/12,108.90 = 4,998.42/x
  3. Step 3: Cross multiply
    8,776.11x = 12,108.90 × 4,998.42
  4. Step 4: Simplify right side
    8,776.11x = 60,525,367.94
  5. Step 5: Solve for x
    x = 60,525,367.94/8,776.11
  6. Step 6: Final answer
    x = 6,896.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.