Home / 4,281.78-5,911.47-2,867.52

Finding the Fourth Proportional to 4,281.78, 5,911.47 and 2,867.52

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Solution

The fourth proportional to 4,281.78, 5,911.47 and 2,867.52 is: 3,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.78 : 5,911.47 = 2,867.52 : x
  2. Step 2: Convert to fraction form
    4,281.78/5,911.47 = 2,867.52/x
  3. Step 3: Cross multiply
    4,281.78x = 5,911.47 × 2,867.52
  4. Step 4: Simplify right side
    4,281.78x = 16,951,258.45
  5. Step 5: Solve for x
    x = 16,951,258.45/4,281.78
  6. Step 6: Final answer
    x = 3,958.93

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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.