Home / 8,091.66-11,172.83-6,328.29

Finding the Fourth Proportional to 8,091.66, 11,172.83 and 6,328.29

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Solution

The fourth proportional to 8,091.66, 11,172.83 and 6,328.29 is: 8,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.66 : 11,172.83 = 6,328.29 : x
  2. Step 2: Convert to fraction form
    8,091.66/11,172.83 = 6,328.29/x
  3. Step 3: Cross multiply
    8,091.66x = 11,172.83 × 6,328.29
  4. Step 4: Simplify right side
    8,091.66x = 70,704,876.72
  5. Step 5: Solve for x
    x = 70,704,876.72/8,091.66
  6. Step 6: Final answer
    x = 8,737.99

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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.