Home / 5,465.55-8,198.28-1,361.55

Finding the Fourth Proportional to 5,465.55, 8,198.28 and 1,361.55

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Solution

The fourth proportional to 5,465.55, 8,198.28 and 1,361.55 is: 2,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.55 : 8,198.28 = 1,361.55 : x
  2. Step 2: Convert to fraction form
    5,465.55/8,198.28 = 1,361.55/x
  3. Step 3: Cross multiply
    5,465.55x = 8,198.28 × 1,361.55
  4. Step 4: Simplify right side
    5,465.55x = 11,162,368.13
  5. Step 5: Solve for x
    x = 11,162,368.13/5,465.55
  6. Step 6: Final answer
    x = 2,042.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.