Home / 4,216.75-6,325.19-1,905.55

Finding the Fourth Proportional to 4,216.75, 6,325.19 and 1,905.55

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Solution

The fourth proportional to 4,216.75, 6,325.19 and 1,905.55 is: 2,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.75 : 6,325.19 = 1,905.55 : x
  2. Step 2: Convert to fraction form
    4,216.75/6,325.19 = 1,905.55/x
  3. Step 3: Cross multiply
    4,216.75x = 6,325.19 × 1,905.55
  4. Step 4: Simplify right side
    4,216.75x = 12,052,965.80
  5. Step 5: Solve for x
    x = 12,052,965.80/4,216.75
  6. Step 6: Final answer
    x = 2,858.35

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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.