Home / 4,621.29-6,912.84-4,228.37

Finding the Fourth Proportional to 4,621.29, 6,912.84 and 4,228.37

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Solution

The fourth proportional to 4,621.29, 6,912.84 and 4,228.37 is: 6,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.29 : 6,912.84 = 4,228.37 : x
  2. Step 2: Convert to fraction form
    4,621.29/6,912.84 = 4,228.37/x
  3. Step 3: Cross multiply
    4,621.29x = 6,912.84 × 4,228.37
  4. Step 4: Simplify right side
    4,621.29x = 29,230,052.49
  5. Step 5: Solve for x
    x = 29,230,052.49/4,621.29
  6. Step 6: Final answer
    x = 6,325.09

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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.