Home / 4,644.90-6,406.37-3,228.56

Finding the Fourth Proportional to 4,644.90, 6,406.37 and 3,228.56

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Solution

The fourth proportional to 4,644.90, 6,406.37 and 3,228.56 is: 4,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.90 : 6,406.37 = 3,228.56 : x
  2. Step 2: Convert to fraction form
    4,644.90/6,406.37 = 3,228.56/x
  3. Step 3: Cross multiply
    4,644.90x = 6,406.37 × 3,228.56
  4. Step 4: Simplify right side
    4,644.90x = 20,683,301.75
  5. Step 5: Solve for x
    x = 20,683,301.75/4,644.90
  6. Step 6: Final answer
    x = 4,452.91

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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.