Home / 7,613.21-11,403.58-3,658.65

Finding the Fourth Proportional to 7,613.21, 11,403.58 and 3,658.65

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Solution

The fourth proportional to 7,613.21, 11,403.58 and 3,658.65 is: 5,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.21 : 11,403.58 = 3,658.65 : x
  2. Step 2: Convert to fraction form
    7,613.21/11,403.58 = 3,658.65/x
  3. Step 3: Cross multiply
    7,613.21x = 11,403.58 × 3,658.65
  4. Step 4: Simplify right side
    7,613.21x = 41,721,707.97
  5. Step 5: Solve for x
    x = 41,721,707.97/7,613.21
  6. Step 6: Final answer
    x = 5,480.17

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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.