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Finding the Fourth Proportional to 8,802.96, 13,172.97 and 7,646.58

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Solution

The fourth proportional to 8,802.96, 13,172.97 and 7,646.58 is: 11,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.96 : 13,172.97 = 7,646.58 : x
  2. Step 2: Convert to fraction form
    8,802.96/13,172.97 = 7,646.58/x
  3. Step 3: Cross multiply
    8,802.96x = 13,172.97 × 7,646.58
  4. Step 4: Simplify right side
    8,802.96x = 100,728,168.94
  5. Step 5: Solve for x
    x = 100,728,168.94/8,802.96
  6. Step 6: Final answer
    x = 11,442.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.