Home / 4,206.30-6,309.45-2,123.44

Finding the Fourth Proportional to 4,206.30, 6,309.45 and 2,123.44

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Solution

The fourth proportional to 4,206.30, 6,309.45 and 2,123.44 is: 3,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.30 : 6,309.45 = 2,123.44 : x
  2. Step 2: Convert to fraction form
    4,206.30/6,309.45 = 2,123.44/x
  3. Step 3: Cross multiply
    4,206.30x = 6,309.45 × 2,123.44
  4. Step 4: Simplify right side
    4,206.30x = 13,397,745.33
  5. Step 5: Solve for x
    x = 13,397,745.33/4,206.30
  6. Step 6: Final answer
    x = 3,185.16

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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.