Home / 5,706.56-8,558.76-2,781.92

Finding the Fourth Proportional to 5,706.56, 8,558.76 and 2,781.92

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Solution

The fourth proportional to 5,706.56, 8,558.76 and 2,781.92 is: 4,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.56 : 8,558.76 = 2,781.92 : x
  2. Step 2: Convert to fraction form
    5,706.56/8,558.76 = 2,781.92/x
  3. Step 3: Cross multiply
    5,706.56x = 8,558.76 × 2,781.92
  4. Step 4: Simplify right side
    5,706.56x = 23,809,785.62
  5. Step 5: Solve for x
    x = 23,809,785.62/5,706.56
  6. Step 6: Final answer
    x = 4,172.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.