Home / 4,161.32-6,243.02-1,239.56

Finding the Fourth Proportional to 4,161.32, 6,243.02 and 1,239.56

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Solution

The fourth proportional to 4,161.32, 6,243.02 and 1,239.56 is: 1,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.32 : 6,243.02 = 1,239.56 : x
  2. Step 2: Convert to fraction form
    4,161.32/6,243.02 = 1,239.56/x
  3. Step 3: Cross multiply
    4,161.32x = 6,243.02 × 1,239.56
  4. Step 4: Simplify right side
    4,161.32x = 7,738,597.87
  5. Step 5: Solve for x
    x = 7,738,597.87/4,161.32
  6. Step 6: Final answer
    x = 1,859.65

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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.