Home / 6,189.75-8,541.99-3,395.25

Finding the Fourth Proportional to 6,189.75, 8,541.99 and 3,395.25

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Solution

The fourth proportional to 6,189.75, 8,541.99 and 3,395.25 is: 4,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.75 : 8,541.99 = 3,395.25 : x
  2. Step 2: Convert to fraction form
    6,189.75/8,541.99 = 3,395.25/x
  3. Step 3: Cross multiply
    6,189.75x = 8,541.99 × 3,395.25
  4. Step 4: Simplify right side
    6,189.75x = 29,002,191.55
  5. Step 5: Solve for x
    x = 29,002,191.55/6,189.75
  6. Step 6: Final answer
    x = 4,685.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.