Home / 7,210.38-9,950.33-4,066.57

Finding the Fourth Proportional to 7,210.38, 9,950.33 and 4,066.57

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Solution

The fourth proportional to 7,210.38, 9,950.33 and 4,066.57 is: 5,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.38 : 9,950.33 = 4,066.57 : x
  2. Step 2: Convert to fraction form
    7,210.38/9,950.33 = 4,066.57/x
  3. Step 3: Cross multiply
    7,210.38x = 9,950.33 × 4,066.57
  4. Step 4: Simplify right side
    7,210.38x = 40,463,668.26
  5. Step 5: Solve for x
    x = 40,463,668.26/7,210.38
  6. Step 6: Final answer
    x = 5,611.86

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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.