Home / 5,416.45-7,480.87-3,644.98

Finding the Fourth Proportional to 5,416.45, 7,480.87 and 3,644.98

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Solution

The fourth proportional to 5,416.45, 7,480.87 and 3,644.98 is: 5,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.45 : 7,480.87 = 3,644.98 : x
  2. Step 2: Convert to fraction form
    5,416.45/7,480.87 = 3,644.98/x
  3. Step 3: Cross multiply
    5,416.45x = 7,480.87 × 3,644.98
  4. Step 4: Simplify right side
    5,416.45x = 27,267,593.72
  5. Step 5: Solve for x
    x = 27,267,593.72/5,416.45
  6. Step 6: Final answer
    x = 5,034.22

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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.