Home / 9,153.91-13,738.16-3,608.65

Finding the Fourth Proportional to 9,153.91, 13,738.16 and 3,608.65

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Solution

The fourth proportional to 9,153.91, 13,738.16 and 3,608.65 is: 5,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.91 : 13,738.16 = 3,608.65 : x
  2. Step 2: Convert to fraction form
    9,153.91/13,738.16 = 3,608.65/x
  3. Step 3: Cross multiply
    9,153.91x = 13,738.16 × 3,608.65
  4. Step 4: Simplify right side
    9,153.91x = 49,576,211.08
  5. Step 5: Solve for x
    x = 49,576,211.08/9,153.91
  6. Step 6: Final answer
    x = 5,415.85

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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.