Home / 4,188.48-6,280.56-2,728.32

Finding the Fourth Proportional to 4,188.48, 6,280.56 and 2,728.32

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Solution

The fourth proportional to 4,188.48, 6,280.56 and 2,728.32 is: 4,091.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.48 : 6,280.56 = 2,728.32 : x
  2. Step 2: Convert to fraction form
    4,188.48/6,280.56 = 2,728.32/x
  3. Step 3: Cross multiply
    4,188.48x = 6,280.56 × 2,728.32
  4. Step 4: Simplify right side
    4,188.48x = 17,135,377.46
  5. Step 5: Solve for x
    x = 17,135,377.46/4,188.48
  6. Step 6: Final answer
    x = 4,091.07

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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.