Home / 8,173.20-11,278.98-4,636.92

Finding the Fourth Proportional to 8,173.20, 11,278.98 and 4,636.92

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Solution

The fourth proportional to 8,173.20, 11,278.98 and 4,636.92 is: 6,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.20 : 11,278.98 = 4,636.92 : x
  2. Step 2: Convert to fraction form
    8,173.20/11,278.98 = 4,636.92/x
  3. Step 3: Cross multiply
    8,173.20x = 11,278.98 × 4,636.92
  4. Step 4: Simplify right side
    8,173.20x = 52,299,727.94
  5. Step 5: Solve for x
    x = 52,299,727.94/8,173.20
  6. Step 6: Final answer
    x = 6,398.93

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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.