Home / 4,073.72-5,616.80-3,443.12

Finding the Fourth Proportional to 4,073.72, 5,616.80 and 3,443.12

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Solution

The fourth proportional to 4,073.72, 5,616.80 and 3,443.12 is: 4,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.72 : 5,616.80 = 3,443.12 : x
  2. Step 2: Convert to fraction form
    4,073.72/5,616.80 = 3,443.12/x
  3. Step 3: Cross multiply
    4,073.72x = 5,616.80 × 3,443.12
  4. Step 4: Simplify right side
    4,073.72x = 19,339,316.42
  5. Step 5: Solve for x
    x = 19,339,316.42/4,073.72
  6. Step 6: Final answer
    x = 4,747.34

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Half scale
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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.