Home / 8,065.48-11,107.32-7,261.96

Finding the Fourth Proportional to 8,065.48, 11,107.32 and 7,261.96

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Solution

The fourth proportional to 8,065.48, 11,107.32 and 7,261.96 is: 10,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.48 : 11,107.32 = 7,261.96 : x
  2. Step 2: Convert to fraction form
    8,065.48/11,107.32 = 7,261.96/x
  3. Step 3: Cross multiply
    8,065.48x = 11,107.32 × 7,261.96
  4. Step 4: Simplify right side
    8,065.48x = 80,660,913.55
  5. Step 5: Solve for x
    x = 80,660,913.55/8,065.48
  6. Step 6: Final answer
    x = 10,000.76

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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.