Home / 6,212.16-9,318.84-2,315.65

Finding the Fourth Proportional to 6,212.16, 9,318.84 and 2,315.65

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Solution

The fourth proportional to 6,212.16, 9,318.84 and 2,315.65 is: 3,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.16 : 9,318.84 = 2,315.65 : x
  2. Step 2: Convert to fraction form
    6,212.16/9,318.84 = 2,315.65/x
  3. Step 3: Cross multiply
    6,212.16x = 9,318.84 × 2,315.65
  4. Step 4: Simplify right side
    6,212.16x = 21,579,171.85
  5. Step 5: Solve for x
    x = 21,579,171.85/6,212.16
  6. Step 6: Final answer
    x = 3,473.70

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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.