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Finding the Fourth Proportional to 6,644.92, 9,103.59 and 6,395.80

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Solution

The fourth proportional to 6,644.92, 9,103.59 and 6,395.80 is: 8,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.92 : 9,103.59 = 6,395.80 : x
  2. Step 2: Convert to fraction form
    6,644.92/9,103.59 = 6,395.80/x
  3. Step 3: Cross multiply
    6,644.92x = 9,103.59 × 6,395.80
  4. Step 4: Simplify right side
    6,644.92x = 58,224,708.94
  5. Step 5: Solve for x
    x = 58,224,708.94/6,644.92
  6. Step 6: Final answer
    x = 8,762.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.