Home / 6,020.43-8,309.21-3,783.21

Finding the Fourth Proportional to 6,020.43, 8,309.21 and 3,783.21

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Solution

The fourth proportional to 6,020.43, 8,309.21 and 3,783.21 is: 5,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.43 : 8,309.21 = 3,783.21 : x
  2. Step 2: Convert to fraction form
    6,020.43/8,309.21 = 3,783.21/x
  3. Step 3: Cross multiply
    6,020.43x = 8,309.21 × 3,783.21
  4. Step 4: Simplify right side
    6,020.43x = 31,435,486.36
  5. Step 5: Solve for x
    x = 31,435,486.36/6,020.43
  6. Step 6: Final answer
    x = 5,221.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.