Home / 9,880.44-13,635.27-5,404.44

Finding the Fourth Proportional to 9,880.44, 13,635.27 and 5,404.44

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Solution

The fourth proportional to 9,880.44, 13,635.27 and 5,404.44 is: 7,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.44 : 13,635.27 = 5,404.44 : x
  2. Step 2: Convert to fraction form
    9,880.44/13,635.27 = 5,404.44/x
  3. Step 3: Cross multiply
    9,880.44x = 13,635.27 × 5,404.44
  4. Step 4: Simplify right side
    9,880.44x = 73,690,998.60
  5. Step 5: Solve for x
    x = 73,690,998.60/9,880.44
  6. Step 6: Final answer
    x = 7,458.27

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1.5x scale

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.