Home / 8,069.67-11,131.29-4,880.70

Finding the Fourth Proportional to 8,069.67, 11,131.29 and 4,880.70

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Solution

The fourth proportional to 8,069.67, 11,131.29 and 4,880.70 is: 6,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.67 : 11,131.29 = 4,880.70 : x
  2. Step 2: Convert to fraction form
    8,069.67/11,131.29 = 4,880.70/x
  3. Step 3: Cross multiply
    8,069.67x = 11,131.29 × 4,880.70
  4. Step 4: Simplify right side
    8,069.67x = 54,328,487.10
  5. Step 5: Solve for x
    x = 54,328,487.10/8,069.67
  6. Step 6: Final answer
    x = 6,732.43

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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.