Home / 7,210.62-9,950.76-4,067.46

Finding the Fourth Proportional to 7,210.62, 9,950.76 and 4,067.46

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Solution

The fourth proportional to 7,210.62, 9,950.76 and 4,067.46 is: 5,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.62 : 9,950.76 = 4,067.46 : x
  2. Step 2: Convert to fraction form
    7,210.62/9,950.76 = 4,067.46/x
  3. Step 3: Cross multiply
    7,210.62x = 9,950.76 × 4,067.46
  4. Step 4: Simplify right side
    7,210.62x = 40,474,318.27
  5. Step 5: Solve for x
    x = 40,474,318.27/7,210.62
  6. Step 6: Final answer
    x = 5,613.15

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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.