Home / 4,164.51-6,243.68-1,389.56

Finding the Fourth Proportional to 4,164.51, 6,243.68 and 1,389.56

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Solution

The fourth proportional to 4,164.51, 6,243.68 and 1,389.56 is: 2,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.51 : 6,243.68 = 1,389.56 : x
  2. Step 2: Convert to fraction form
    4,164.51/6,243.68 = 1,389.56/x
  3. Step 3: Cross multiply
    4,164.51x = 6,243.68 × 1,389.56
  4. Step 4: Simplify right side
    4,164.51x = 8,675,940.24
  5. Step 5: Solve for x
    x = 8,675,940.24/4,164.51
  6. Step 6: Final answer
    x = 2,083.30

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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.