Home / 4,170.49-6,255.73-3,389.55

Finding the Fourth Proportional to 4,170.49, 6,255.73 and 3,389.55

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Solution

The fourth proportional to 4,170.49, 6,255.73 and 3,389.55 is: 5,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.49 : 6,255.73 = 3,389.55 : x
  2. Step 2: Convert to fraction form
    4,170.49/6,255.73 = 3,389.55/x
  3. Step 3: Cross multiply
    4,170.49x = 6,255.73 × 3,389.55
  4. Step 4: Simplify right side
    4,170.49x = 21,204,090.40
  5. Step 5: Solve for x
    x = 21,204,090.40/4,170.49
  6. Step 6: Final answer
    x = 5,084.32

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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.