Home / 4,148.32-5,725.62-2,825.20

Finding the Fourth Proportional to 4,148.32, 5,725.62 and 2,825.20

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Solution

The fourth proportional to 4,148.32, 5,725.62 and 2,825.20 is: 3,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.32 : 5,725.62 = 2,825.20 : x
  2. Step 2: Convert to fraction form
    4,148.32/5,725.62 = 2,825.20/x
  3. Step 3: Cross multiply
    4,148.32x = 5,725.62 × 2,825.20
  4. Step 4: Simplify right side
    4,148.32x = 16,176,021.62
  5. Step 5: Solve for x
    x = 16,176,021.62/4,148.32
  6. Step 6: Final answer
    x = 3,899.42

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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.