Home / 8,140.96-11,236.56-5,452.32

Finding the Fourth Proportional to 8,140.96, 11,236.56 and 5,452.32

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Solution

The fourth proportional to 8,140.96, 11,236.56 and 5,452.32 is: 7,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.96 : 11,236.56 = 5,452.32 : x
  2. Step 2: Convert to fraction form
    8,140.96/11,236.56 = 5,452.32/x
  3. Step 3: Cross multiply
    8,140.96x = 11,236.56 × 5,452.32
  4. Step 4: Simplify right side
    8,140.96x = 61,265,320.82
  5. Step 5: Solve for x
    x = 61,265,320.82/8,140.96
  6. Step 6: Final answer
    x = 7,525.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.