Home / 4,945.63-7,418.85-2,171.92

Finding the Fourth Proportional to 4,945.63, 7,418.85 and 2,171.92

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Solution

The fourth proportional to 4,945.63, 7,418.85 and 2,171.92 is: 3,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.63 : 7,418.85 = 2,171.92 : x
  2. Step 2: Convert to fraction form
    4,945.63/7,418.85 = 2,171.92/x
  3. Step 3: Cross multiply
    4,945.63x = 7,418.85 × 2,171.92
  4. Step 4: Simplify right side
    4,945.63x = 16,113,148.69
  5. Step 5: Solve for x
    x = 16,113,148.69/4,945.63
  6. Step 6: Final answer
    x = 3,258.06

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1.5x scale

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.