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Finding the Fourth Proportional to 8,287.70, 11,441.27 and 6,395.03

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Solution

The fourth proportional to 8,287.70, 11,441.27 and 6,395.03 is: 8,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.70 : 11,441.27 = 6,395.03 : x
  2. Step 2: Convert to fraction form
    8,287.70/11,441.27 = 6,395.03/x
  3. Step 3: Cross multiply
    8,287.70x = 11,441.27 × 6,395.03
  4. Step 4: Simplify right side
    8,287.70x = 73,167,261.52
  5. Step 5: Solve for x
    x = 73,167,261.52/8,287.70
  6. Step 6: Final answer
    x = 8,828.41

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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.