Home / 5,477.28-8,222.07-2,192.69

Finding the Fourth Proportional to 5,477.28, 8,222.07 and 2,192.69

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Solution

The fourth proportional to 5,477.28, 8,222.07 and 2,192.69 is: 3,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.28 : 8,222.07 = 2,192.69 : x
  2. Step 2: Convert to fraction form
    5,477.28/8,222.07 = 2,192.69/x
  3. Step 3: Cross multiply
    5,477.28x = 8,222.07 × 2,192.69
  4. Step 4: Simplify right side
    5,477.28x = 18,028,409.56
  5. Step 5: Solve for x
    x = 18,028,409.56/5,477.28
  6. Step 6: Final answer
    x = 3,291.49

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Half scale
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Double scale
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1.5x scale

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.