Home / 4,170.47-6,258.65-2,786.42

Finding the Fourth Proportional to 4,170.47, 6,258.65 and 2,786.42

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Solution

The fourth proportional to 4,170.47, 6,258.65 and 2,786.42 is: 4,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.47 : 6,258.65 = 2,786.42 : x
  2. Step 2: Convert to fraction form
    4,170.47/6,258.65 = 2,786.42/x
  3. Step 3: Cross multiply
    4,170.47x = 6,258.65 × 2,786.42
  4. Step 4: Simplify right side
    4,170.47x = 17,439,229.25
  5. Step 5: Solve for x
    x = 17,439,229.25/4,170.47
  6. Step 6: Final answer
    x = 4,181.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.