Home / 4,483.90-6,728.20-3,261.42

Finding the Fourth Proportional to 4,483.90, 6,728.20 and 3,261.42

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Solution

The fourth proportional to 4,483.90, 6,728.20 and 3,261.42 is: 4,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.90 : 6,728.20 = 3,261.42 : x
  2. Step 2: Convert to fraction form
    4,483.90/6,728.20 = 3,261.42/x
  3. Step 3: Cross multiply
    4,483.90x = 6,728.20 × 3,261.42
  4. Step 4: Simplify right side
    4,483.90x = 21,943,486.04
  5. Step 5: Solve for x
    x = 21,943,486.04/4,483.90
  6. Step 6: Final answer
    x = 4,893.84

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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.