Home / 5,411.36-7,467.72-3,021.56

Finding the Fourth Proportional to 5,411.36, 7,467.72 and 3,021.56

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Solution

The fourth proportional to 5,411.36, 7,467.72 and 3,021.56 is: 4,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.36 : 7,467.72 = 3,021.56 : x
  2. Step 2: Convert to fraction form
    5,411.36/7,467.72 = 3,021.56/x
  3. Step 3: Cross multiply
    5,411.36x = 7,467.72 × 3,021.56
  4. Step 4: Simplify right side
    5,411.36x = 22,564,164.04
  5. Step 5: Solve for x
    x = 22,564,164.04/5,411.36
  6. Step 6: Final answer
    x = 4,169.78

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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.