Home / 4,161.27-6,242.85-1,239.48

Finding the Fourth Proportional to 4,161.27, 6,242.85 and 1,239.48

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Solution

The fourth proportional to 4,161.27, 6,242.85 and 1,239.48 is: 1,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.27 : 6,242.85 = 1,239.48 : x
  2. Step 2: Convert to fraction form
    4,161.27/6,242.85 = 1,239.48/x
  3. Step 3: Cross multiply
    4,161.27x = 6,242.85 × 1,239.48
  4. Step 4: Simplify right side
    4,161.27x = 7,737,887.72
  5. Step 5: Solve for x
    x = 7,737,887.72/4,161.27
  6. Step 6: Final answer
    x = 1,859.50

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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.