Home / 9,149.06-13,718.46-2,907.92

Finding the Fourth Proportional to 9,149.06, 13,718.46 and 2,907.92

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Solution

The fourth proportional to 9,149.06, 13,718.46 and 2,907.92 is: 4,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.06 : 13,718.46 = 2,907.92 : x
  2. Step 2: Convert to fraction form
    9,149.06/13,718.46 = 2,907.92/x
  3. Step 3: Cross multiply
    9,149.06x = 13,718.46 × 2,907.92
  4. Step 4: Simplify right side
    9,149.06x = 39,892,184.20
  5. Step 5: Solve for x
    x = 39,892,184.20/9,149.06
  6. Step 6: Final answer
    x = 4,360.25

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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.