Home / 4,083.45-6,125.19-2,139.45

Finding the Fourth Proportional to 4,083.45, 6,125.19 and 2,139.45

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Solution

The fourth proportional to 4,083.45, 6,125.19 and 2,139.45 is: 3,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.45 : 6,125.19 = 2,139.45 : x
  2. Step 2: Convert to fraction form
    4,083.45/6,125.19 = 2,139.45/x
  3. Step 3: Cross multiply
    4,083.45x = 6,125.19 × 2,139.45
  4. Step 4: Simplify right side
    4,083.45x = 13,104,537.75
  5. Step 5: Solve for x
    x = 13,104,537.75/4,083.45
  6. Step 6: Final answer
    x = 3,209.18

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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.