Home / 4,079.54-6,115.47-2,129.46

Finding the Fourth Proportional to 4,079.54, 6,115.47 and 2,129.46

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Solution

The fourth proportional to 4,079.54, 6,115.47 and 2,129.46 is: 3,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.54 : 6,115.47 = 2,129.46 : x
  2. Step 2: Convert to fraction form
    4,079.54/6,115.47 = 2,129.46/x
  3. Step 3: Cross multiply
    4,079.54x = 6,115.47 × 2,129.46
  4. Step 4: Simplify right side
    4,079.54x = 13,022,648.75
  5. Step 5: Solve for x
    x = 13,022,648.75/4,079.54
  6. Step 6: Final answer
    x = 3,192.19

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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.