Home / 8,100.15-11,143.06-6,604.80

Finding the Fourth Proportional to 8,100.15, 11,143.06 and 6,604.80

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Solution

The fourth proportional to 8,100.15, 11,143.06 and 6,604.80 is: 9,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.15 : 11,143.06 = 6,604.80 : x
  2. Step 2: Convert to fraction form
    8,100.15/11,143.06 = 6,604.80/x
  3. Step 3: Cross multiply
    8,100.15x = 11,143.06 × 6,604.80
  4. Step 4: Simplify right side
    8,100.15x = 73,597,682.69
  5. Step 5: Solve for x
    x = 73,597,682.69/8,100.15
  6. Step 6: Final answer
    x = 9,085.97

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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.