Home / 4,163.42-6,243.75-1,389.32

Finding the Fourth Proportional to 4,163.42, 6,243.75 and 1,389.32

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Solution

The fourth proportional to 4,163.42, 6,243.75 and 1,389.32 is: 2,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.42 : 6,243.75 = 1,389.32 : x
  2. Step 2: Convert to fraction form
    4,163.42/6,243.75 = 1,389.32/x
  3. Step 3: Cross multiply
    4,163.42x = 6,243.75 × 1,389.32
  4. Step 4: Simplify right side
    4,163.42x = 8,674,566.75
  5. Step 5: Solve for x
    x = 8,674,566.75/4,163.42
  6. Step 6: Final answer
    x = 2,083.52

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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.