Home / 5,474.02-7,554.75-3,115.78

Finding the Fourth Proportional to 5,474.02, 7,554.75 and 3,115.78

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Solution

The fourth proportional to 5,474.02, 7,554.75 and 3,115.78 is: 4,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.02 : 7,554.75 = 3,115.78 : x
  2. Step 2: Convert to fraction form
    5,474.02/7,554.75 = 3,115.78/x
  3. Step 3: Cross multiply
    5,474.02x = 7,554.75 × 3,115.78
  4. Step 4: Simplify right side
    5,474.02x = 23,538,938.96
  5. Step 5: Solve for x
    x = 23,538,938.96/5,474.02
  6. Step 6: Final answer
    x = 4,300.12

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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.