Home / 4,129.51-6,188.58-2,739.16

Finding the Fourth Proportional to 4,129.51, 6,188.58 and 2,739.16

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Solution

The fourth proportional to 4,129.51, 6,188.58 and 2,739.16 is: 4,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.51 : 6,188.58 = 2,739.16 : x
  2. Step 2: Convert to fraction form
    4,129.51/6,188.58 = 2,739.16/x
  3. Step 3: Cross multiply
    4,129.51x = 6,188.58 × 2,739.16
  4. Step 4: Simplify right side
    4,129.51x = 16,951,510.79
  5. Step 5: Solve for x
    x = 16,951,510.79/4,129.51
  6. Step 6: Final answer
    x = 4,104.97

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1.5x scale

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.