Home / 4,160.50-6,241.78-1,238.80

Finding the Fourth Proportional to 4,160.50, 6,241.78 and 1,238.80

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Solution

The fourth proportional to 4,160.50, 6,241.78 and 1,238.80 is: 1,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.50 : 6,241.78 = 1,238.80 : x
  2. Step 2: Convert to fraction form
    4,160.50/6,241.78 = 1,238.80/x
  3. Step 3: Cross multiply
    4,160.50x = 6,241.78 × 1,238.80
  4. Step 4: Simplify right side
    4,160.50x = 7,732,317.06
  5. Step 5: Solve for x
    x = 7,732,317.06/4,160.50
  6. Step 6: Final answer
    x = 1,858.51

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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.