Home / 9,145.75-13,717.19-2,904.94

Finding the Fourth Proportional to 9,145.75, 13,717.19 and 2,904.94

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Solution

The fourth proportional to 9,145.75, 13,717.19 and 2,904.94 is: 4,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.75 : 13,717.19 = 2,904.94 : x
  2. Step 2: Convert to fraction form
    9,145.75/13,717.19 = 2,904.94/x
  3. Step 3: Cross multiply
    9,145.75x = 13,717.19 × 2,904.94
  4. Step 4: Simplify right side
    9,145.75x = 39,847,613.92
  5. Step 5: Solve for x
    x = 39,847,613.92/9,145.75
  6. Step 6: Final answer
    x = 4,356.96

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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.