Home / 5,175.09-7,128.34-4,054.03

Finding the Fourth Proportional to 5,175.09, 7,128.34 and 4,054.03

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Solution

The fourth proportional to 5,175.09, 7,128.34 and 4,054.03 is: 5,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.09 : 7,128.34 = 4,054.03 : x
  2. Step 2: Convert to fraction form
    5,175.09/7,128.34 = 4,054.03/x
  3. Step 3: Cross multiply
    5,175.09x = 7,128.34 × 4,054.03
  4. Step 4: Simplify right side
    5,175.09x = 28,898,476.25
  5. Step 5: Solve for x
    x = 28,898,476.25/5,175.09
  6. Step 6: Final answer
    x = 5,584.15

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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.