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Finding the Fourth Proportional to 6,802.36, 9,367.98 and 5,905.68

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Solution

The fourth proportional to 6,802.36, 9,367.98 and 5,905.68 is: 8,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.36 : 9,367.98 = 5,905.68 : x
  2. Step 2: Convert to fraction form
    6,802.36/9,367.98 = 5,905.68/x
  3. Step 3: Cross multiply
    6,802.36x = 9,367.98 × 5,905.68
  4. Step 4: Simplify right side
    6,802.36x = 55,324,292.13
  5. Step 5: Solve for x
    x = 55,324,292.13/6,802.36
  6. Step 6: Final answer
    x = 8,133.10

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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.