Home / 9,217.44-12,720.24-5,493.60

Finding the Fourth Proportional to 9,217.44, 12,720.24 and 5,493.60

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Solution

The fourth proportional to 9,217.44, 12,720.24 and 5,493.60 is: 7,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.44 : 12,720.24 = 5,493.60 : x
  2. Step 2: Convert to fraction form
    9,217.44/12,720.24 = 5,493.60/x
  3. Step 3: Cross multiply
    9,217.44x = 12,720.24 × 5,493.60
  4. Step 4: Simplify right side
    9,217.44x = 69,879,910.46
  5. Step 5: Solve for x
    x = 69,879,910.46/9,217.44
  6. Step 6: Final answer
    x = 7,581.27

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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.