Home / 10,442.73-15,664.09-4,892.02

Finding the Fourth Proportional to 10,442.73, 15,664.09 and 4,892.02

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Solution

The fourth proportional to 10,442.73, 15,664.09 and 4,892.02 is: 7,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.73 : 15,664.09 = 4,892.02 : x
  2. Step 2: Convert to fraction form
    10,442.73/15,664.09 = 4,892.02/x
  3. Step 3: Cross multiply
    10,442.73x = 15,664.09 × 4,892.02
  4. Step 4: Simplify right side
    10,442.73x = 76,629,041.56
  5. Step 5: Solve for x
    x = 76,629,041.56/10,442.73
  6. Step 6: Final answer
    x = 7,338.03

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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.