Home / 4,161.36-6,241.92-1,239.76

Finding the Fourth Proportional to 4,161.36, 6,241.92 and 1,239.76

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Solution

The fourth proportional to 4,161.36, 6,241.92 and 1,239.76 is: 1,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.36 : 6,241.92 = 1,239.76 : x
  2. Step 2: Convert to fraction form
    4,161.36/6,241.92 = 1,239.76/x
  3. Step 3: Cross multiply
    4,161.36x = 6,241.92 × 1,239.76
  4. Step 4: Simplify right side
    4,161.36x = 7,738,482.74
  5. Step 5: Solve for x
    x = 7,738,482.74/4,161.36
  6. Step 6: Final answer
    x = 1,859.60

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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.