Home / 5,436.88-7,503.24-3,078.16

Finding the Fourth Proportional to 5,436.88, 7,503.24 and 3,078.16

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Solution

The fourth proportional to 5,436.88, 7,503.24 and 3,078.16 is: 4,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.88 : 7,503.24 = 3,078.16 : x
  2. Step 2: Convert to fraction form
    5,436.88/7,503.24 = 3,078.16/x
  3. Step 3: Cross multiply
    5,436.88x = 7,503.24 × 3,078.16
  4. Step 4: Simplify right side
    5,436.88x = 23,096,173.24
  5. Step 5: Solve for x
    x = 23,096,173.24/5,436.88
  6. Step 6: Final answer
    x = 4,248.06

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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.