Home / 5,180.82-7,151.93-3,055.64

Finding the Fourth Proportional to 5,180.82, 7,151.93 and 3,055.64

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Solution

The fourth proportional to 5,180.82, 7,151.93 and 3,055.64 is: 4,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.82 : 7,151.93 = 3,055.64 : x
  2. Step 2: Convert to fraction form
    5,180.82/7,151.93 = 3,055.64/x
  3. Step 3: Cross multiply
    5,180.82x = 7,151.93 × 3,055.64
  4. Step 4: Simplify right side
    5,180.82x = 21,853,695.26
  5. Step 5: Solve for x
    x = 21,853,695.26/5,180.82
  6. Step 6: Final answer
    x = 4,218.19

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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.