Home / 8,132.46-11,228.32-5,108.74

Finding the Fourth Proportional to 8,132.46, 11,228.32 and 5,108.74

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Solution

The fourth proportional to 8,132.46, 11,228.32 and 5,108.74 is: 7,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.46 : 11,228.32 = 5,108.74 : x
  2. Step 2: Convert to fraction form
    8,132.46/11,228.32 = 5,108.74/x
  3. Step 3: Cross multiply
    8,132.46x = 11,228.32 × 5,108.74
  4. Step 4: Simplify right side
    8,132.46x = 57,362,567.52
  5. Step 5: Solve for x
    x = 57,362,567.52/8,132.46
  6. Step 6: Final answer
    x = 7,053.53

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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.