Home / 6,289.26-9,433.80-1,906.80

Finding the Fourth Proportional to 6,289.26, 9,433.80 and 1,906.80

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Solution

The fourth proportional to 6,289.26, 9,433.80 and 1,906.80 is: 2,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.26 : 9,433.80 = 1,906.80 : x
  2. Step 2: Convert to fraction form
    6,289.26/9,433.80 = 1,906.80/x
  3. Step 3: Cross multiply
    6,289.26x = 9,433.80 × 1,906.80
  4. Step 4: Simplify right side
    6,289.26x = 17,988,369.84
  5. Step 5: Solve for x
    x = 17,988,369.84/6,289.26
  6. Step 6: Final answer
    x = 2,860.17

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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.