Home / 4,447.72-6,135.52-3,609.36

Finding the Fourth Proportional to 4,447.72, 6,135.52 and 3,609.36

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Solution

The fourth proportional to 4,447.72, 6,135.52 and 3,609.36 is: 4,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.72 : 6,135.52 = 3,609.36 : x
  2. Step 2: Convert to fraction form
    4,447.72/6,135.52 = 3,609.36/x
  3. Step 3: Cross multiply
    4,447.72x = 6,135.52 × 3,609.36
  4. Step 4: Simplify right side
    4,447.72x = 22,145,300.47
  5. Step 5: Solve for x
    x = 22,145,300.47/4,447.72
  6. Step 6: Final answer
    x = 4,979.02

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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.