Home / 8,228.49-11,355.40-4,691.93

Finding the Fourth Proportional to 8,228.49, 11,355.40 and 4,691.93

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Solution

The fourth proportional to 8,228.49, 11,355.40 and 4,691.93 is: 6,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.49 : 11,355.40 = 4,691.93 : x
  2. Step 2: Convert to fraction form
    8,228.49/11,355.40 = 4,691.93/x
  3. Step 3: Cross multiply
    8,228.49x = 11,355.40 × 4,691.93
  4. Step 4: Simplify right side
    8,228.49x = 53,278,733.59
  5. Step 5: Solve for x
    x = 53,278,733.59/8,228.49
  6. Step 6: Final answer
    x = 6,474.91

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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.