Home / 5,412.08-7,469.79-3,175.13

Finding the Fourth Proportional to 5,412.08, 7,469.79 and 3,175.13

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Solution

The fourth proportional to 5,412.08, 7,469.79 and 3,175.13 is: 4,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.08 : 7,469.79 = 3,175.13 : x
  2. Step 2: Convert to fraction form
    5,412.08/7,469.79 = 3,175.13/x
  3. Step 3: Cross multiply
    5,412.08x = 7,469.79 × 3,175.13
  4. Step 4: Simplify right side
    5,412.08x = 23,717,561.09
  5. Step 5: Solve for x
    x = 23,717,561.09/5,412.08
  6. Step 6: Final answer
    x = 4,382.34

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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.