Home / 7,327.40-10,971.60-3,857.36

Finding the Fourth Proportional to 7,327.40, 10,971.60 and 3,857.36

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Solution

The fourth proportional to 7,327.40, 10,971.60 and 3,857.36 is: 5,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.40 : 10,971.60 = 3,857.36 : x
  2. Step 2: Convert to fraction form
    7,327.40/10,971.60 = 3,857.36/x
  3. Step 3: Cross multiply
    7,327.40x = 10,971.60 × 3,857.36
  4. Step 4: Simplify right side
    7,327.40x = 42,321,410.98
  5. Step 5: Solve for x
    x = 42,321,410.98/7,327.40
  6. Step 6: Final answer
    x = 5,775.77

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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.