Home / 4,644.52-6,405.85-3,228.18

Finding the Fourth Proportional to 4,644.52, 6,405.85 and 3,228.18

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Solution

The fourth proportional to 4,644.52, 6,405.85 and 3,228.18 is: 4,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.52 : 6,405.85 = 3,228.18 : x
  2. Step 2: Convert to fraction form
    4,644.52/6,405.85 = 3,228.18/x
  3. Step 3: Cross multiply
    4,644.52x = 6,405.85 × 3,228.18
  4. Step 4: Simplify right side
    4,644.52x = 20,679,216.87
  5. Step 5: Solve for x
    x = 20,679,216.87/4,644.52
  6. Step 6: Final answer
    x = 4,452.39

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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.