Home / 6,110.57-8,422.79-4,989.53

Finding the Fourth Proportional to 6,110.57, 8,422.79 and 4,989.53

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Solution

The fourth proportional to 6,110.57, 8,422.79 and 4,989.53 is: 6,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.57 : 8,422.79 = 4,989.53 : x
  2. Step 2: Convert to fraction form
    6,110.57/8,422.79 = 4,989.53/x
  3. Step 3: Cross multiply
    6,110.57x = 8,422.79 × 4,989.53
  4. Step 4: Simplify right side
    6,110.57x = 42,025,759.50
  5. Step 5: Solve for x
    x = 42,025,759.50/6,110.57
  6. Step 6: Final answer
    x = 6,877.55

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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.