Home / 5,015.01-6,917.55-3,951.64

Finding the Fourth Proportional to 5,015.01, 6,917.55 and 3,951.64

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Solution

The fourth proportional to 5,015.01, 6,917.55 and 3,951.64 is: 5,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.01 : 6,917.55 = 3,951.64 : x
  2. Step 2: Convert to fraction form
    5,015.01/6,917.55 = 3,951.64/x
  3. Step 3: Cross multiply
    5,015.01x = 6,917.55 × 3,951.64
  4. Step 4: Simplify right side
    5,015.01x = 27,335,644.43
  5. Step 5: Solve for x
    x = 27,335,644.43/5,015.01
  6. Step 6: Final answer
    x = 5,450.76

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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.