Home / 5,412.63-7,469.45-3,022.57

Finding the Fourth Proportional to 5,412.63, 7,469.45 and 3,022.57

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Solution

The fourth proportional to 5,412.63, 7,469.45 and 3,022.57 is: 4,171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.63 : 7,469.45 = 3,022.57 : x
  2. Step 2: Convert to fraction form
    5,412.63/7,469.45 = 3,022.57/x
  3. Step 3: Cross multiply
    5,412.63x = 7,469.45 × 3,022.57
  4. Step 4: Simplify right side
    5,412.63x = 22,576,935.49
  5. Step 5: Solve for x
    x = 22,576,935.49/5,412.63
  6. Step 6: Final answer
    x = 4,171.16

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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.