Home / 4,472.28-6,171.44-2,455.38

Finding the Fourth Proportional to 4,472.28, 6,171.44 and 2,455.38

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Solution

The fourth proportional to 4,472.28, 6,171.44 and 2,455.38 is: 3,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.28 : 6,171.44 = 2,455.38 : x
  2. Step 2: Convert to fraction form
    4,472.28/6,171.44 = 2,455.38/x
  3. Step 3: Cross multiply
    4,472.28x = 6,171.44 × 2,455.38
  4. Step 4: Simplify right side
    4,472.28x = 15,153,218.07
  5. Step 5: Solve for x
    x = 15,153,218.07/4,472.28
  6. Step 6: Final answer
    x = 3,388.25

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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.