Home / 4,129.43-5,706.81-3,382.21

Finding the Fourth Proportional to 4,129.43, 5,706.81 and 3,382.21

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Solution

The fourth proportional to 4,129.43, 5,706.81 and 3,382.21 is: 4,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.43 : 5,706.81 = 3,382.21 : x
  2. Step 2: Convert to fraction form
    4,129.43/5,706.81 = 3,382.21/x
  3. Step 3: Cross multiply
    4,129.43x = 5,706.81 × 3,382.21
  4. Step 4: Simplify right side
    4,129.43x = 19,301,615.58
  5. Step 5: Solve for x
    x = 19,301,615.58/4,129.43
  6. Step 6: Final answer
    x = 4,674.16

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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.