Home / 6,209.69-9,318.63-2,923.72

Finding the Fourth Proportional to 6,209.69, 9,318.63 and 2,923.72

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Solution

The fourth proportional to 6,209.69, 9,318.63 and 2,923.72 is: 4,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.69 : 9,318.63 = 2,923.72 : x
  2. Step 2: Convert to fraction form
    6,209.69/9,318.63 = 2,923.72/x
  3. Step 3: Cross multiply
    6,209.69x = 9,318.63 × 2,923.72
  4. Step 4: Simplify right side
    6,209.69x = 27,245,064.90
  5. Step 5: Solve for x
    x = 27,245,064.90/6,209.69
  6. Step 6: Final answer
    x = 4,387.51

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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.