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Finding the Fourth Proportional to 6,680.96, 9,223.38 and 4,029

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Solution

The fourth proportional to 6,680.96, 9,223.38 and 4,029 is: 5,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.96 : 9,223.38 = 4,029 : x
  2. Step 2: Convert to fraction form
    6,680.96/9,223.38 = 4,029/x
  3. Step 3: Cross multiply
    6,680.96x = 9,223.38 × 4,029
  4. Step 4: Simplify right side
    6,680.96x = 37,160,998.02
  5. Step 5: Solve for x
    x = 37,160,998.02/6,680.96
  6. Step 6: Final answer
    x = 5,562.22

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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.