Home / 4,215.52-5,825.15-3,654.19

Finding the Fourth Proportional to 4,215.52, 5,825.15 and 3,654.19

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Solution

The fourth proportional to 4,215.52, 5,825.15 and 3,654.19 is: 5,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.52 : 5,825.15 = 3,654.19 : x
  2. Step 2: Convert to fraction form
    4,215.52/5,825.15 = 3,654.19/x
  3. Step 3: Cross multiply
    4,215.52x = 5,825.15 × 3,654.19
  4. Step 4: Simplify right side
    4,215.52x = 21,286,204.88
  5. Step 5: Solve for x
    x = 21,286,204.88/4,215.52
  6. Step 6: Final answer
    x = 5,049.48

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.