Home / 4,129.36-5,703.60-3,086.08

Finding the Fourth Proportional to 4,129.36, 5,703.60 and 3,086.08

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Solution

The fourth proportional to 4,129.36, 5,703.60 and 3,086.08 is: 4,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.36 : 5,703.60 = 3,086.08 : x
  2. Step 2: Convert to fraction form
    4,129.36/5,703.60 = 3,086.08/x
  3. Step 3: Cross multiply
    4,129.36x = 5,703.60 × 3,086.08
  4. Step 4: Simplify right side
    4,129.36x = 17,601,765.89
  5. Step 5: Solve for x
    x = 17,601,765.89/4,129.36
  6. Step 6: Final answer
    x = 4,262.59

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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.