Home / 4,161.51-6,241.20-1,239.15

Finding the Fourth Proportional to 4,161.51, 6,241.20 and 1,239.15

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Solution

The fourth proportional to 4,161.51, 6,241.20 and 1,239.15 is: 1,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.51 : 6,241.20 = 1,239.15 : x
  2. Step 2: Convert to fraction form
    4,161.51/6,241.20 = 1,239.15/x
  3. Step 3: Cross multiply
    4,161.51x = 6,241.20 × 1,239.15
  4. Step 4: Simplify right side
    4,161.51x = 7,733,782.98
  5. Step 5: Solve for x
    x = 7,733,782.98/4,161.51
  6. Step 6: Final answer
    x = 1,858.41

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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.