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Finding the Fourth Proportional to 9,602.90, 14,405.31 and 3,445.46

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Solution

The fourth proportional to 9,602.90, 14,405.31 and 3,445.46 is: 5,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,602.90 : 14,405.31 = 3,445.46 : x
  2. Step 2: Convert to fraction form
    9,602.90/14,405.31 = 3,445.46/x
  3. Step 3: Cross multiply
    9,602.90x = 14,405.31 × 3,445.46
  4. Step 4: Simplify right side
    9,602.90x = 49,632,919.39
  5. Step 5: Solve for x
    x = 49,632,919.39/9,602.90
  6. Step 6: Final answer
    x = 5,168.53

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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.