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Finding the Fourth Proportional to 8,287.03, 11,441.61 and 6,395.26

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Solution

The fourth proportional to 8,287.03, 11,441.61 and 6,395.26 is: 8,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.03 : 11,441.61 = 6,395.26 : x
  2. Step 2: Convert to fraction form
    8,287.03/11,441.61 = 6,395.26/x
  3. Step 3: Cross multiply
    8,287.03x = 11,441.61 × 6,395.26
  4. Step 4: Simplify right side
    8,287.03x = 73,172,070.77
  5. Step 5: Solve for x
    x = 73,172,070.77/8,287.03
  6. Step 6: Final answer
    x = 8,829.71

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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.