Home / 4,160.36-6,239.32-3,428.12

Finding the Fourth Proportional to 4,160.36, 6,239.32 and 3,428.12

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Solution

The fourth proportional to 4,160.36, 6,239.32 and 3,428.12 is: 5,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.36 : 6,239.32 = 3,428.12 : x
  2. Step 2: Convert to fraction form
    4,160.36/6,239.32 = 3,428.12/x
  3. Step 3: Cross multiply
    4,160.36x = 6,239.32 × 3,428.12
  4. Step 4: Simplify right side
    4,160.36x = 21,389,137.68
  5. Step 5: Solve for x
    x = 21,389,137.68/4,160.36
  6. Step 6: Final answer
    x = 5,141.17

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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.