Home / 4,161.90-6,243.93-1,240.14

Finding the Fourth Proportional to 4,161.90, 6,243.93 and 1,240.14

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Solution

The fourth proportional to 4,161.90, 6,243.93 and 1,240.14 is: 1,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.90 : 6,243.93 = 1,240.14 : x
  2. Step 2: Convert to fraction form
    4,161.90/6,243.93 = 1,240.14/x
  3. Step 3: Cross multiply
    4,161.90x = 6,243.93 × 1,240.14
  4. Step 4: Simplify right side
    4,161.90x = 7,743,347.35
  5. Step 5: Solve for x
    x = 7,743,347.35/4,161.90
  6. Step 6: Final answer
    x = 1,860.53

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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.