Home / 6,378.17-9,568.79-2,217.57

Finding the Fourth Proportional to 6,378.17, 9,568.79 and 2,217.57

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Solution

The fourth proportional to 6,378.17, 9,568.79 and 2,217.57 is: 3,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.17 : 9,568.79 = 2,217.57 : x
  2. Step 2: Convert to fraction form
    6,378.17/9,568.79 = 2,217.57/x
  3. Step 3: Cross multiply
    6,378.17x = 9,568.79 × 2,217.57
  4. Step 4: Simplify right side
    6,378.17x = 21,219,450.55
  5. Step 5: Solve for x
    x = 21,219,450.55/6,378.17
  6. Step 6: Final answer
    x = 3,326.89

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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.