Home / 5,664.45-7,813.87-3,616.53

Finding the Fourth Proportional to 5,664.45, 7,813.87 and 3,616.53

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Solution

The fourth proportional to 5,664.45, 7,813.87 and 3,616.53 is: 4,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.45 : 7,813.87 = 3,616.53 : x
  2. Step 2: Convert to fraction form
    5,664.45/7,813.87 = 3,616.53/x
  3. Step 3: Cross multiply
    5,664.45x = 7,813.87 × 3,616.53
  4. Step 4: Simplify right side
    5,664.45x = 28,259,095.27
  5. Step 5: Solve for x
    x = 28,259,095.27/5,664.45
  6. Step 6: Final answer
    x = 4,988.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.