Home / 4,139.46-6,209.17-2,912.35

Finding the Fourth Proportional to 4,139.46, 6,209.17 and 2,912.35

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Solution

The fourth proportional to 4,139.46, 6,209.17 and 2,912.35 is: 4,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.46 : 6,209.17 = 2,912.35 : x
  2. Step 2: Convert to fraction form
    4,139.46/6,209.17 = 2,912.35/x
  3. Step 3: Cross multiply
    4,139.46x = 6,209.17 × 2,912.35
  4. Step 4: Simplify right side
    4,139.46x = 18,083,276.25
  5. Step 5: Solve for x
    x = 18,083,276.25/4,139.46
  6. Step 6: Final answer
    x = 4,368.51

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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.