Home / 6,380.84-9,571.98-2,917.64

Finding the Fourth Proportional to 6,380.84, 9,571.98 and 2,917.64

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Solution

The fourth proportional to 6,380.84, 9,571.98 and 2,917.64 is: 4,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.84 : 9,571.98 = 2,917.64 : x
  2. Step 2: Convert to fraction form
    6,380.84/9,571.98 = 2,917.64/x
  3. Step 3: Cross multiply
    6,380.84x = 9,571.98 × 2,917.64
  4. Step 4: Simplify right side
    6,380.84x = 27,927,591.73
  5. Step 5: Solve for x
    x = 27,927,591.73/6,380.84
  6. Step 6: Final answer
    x = 4,376.79

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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.