Home / 4,102.06-6,156.23-2,129.31

Finding the Fourth Proportional to 4,102.06, 6,156.23 and 2,129.31

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Solution

The fourth proportional to 4,102.06, 6,156.23 and 2,129.31 is: 3,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.06 : 6,156.23 = 2,129.31 : x
  2. Step 2: Convert to fraction form
    4,102.06/6,156.23 = 2,129.31/x
  3. Step 3: Cross multiply
    4,102.06x = 6,156.23 × 2,129.31
  4. Step 4: Simplify right side
    4,102.06x = 13,108,480.67
  5. Step 5: Solve for x
    x = 13,108,480.67/4,102.06
  6. Step 6: Final answer
    x = 3,195.58

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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.