Home / 4,204.90-6,308.12-1,431.44

Finding the Fourth Proportional to 4,204.90, 6,308.12 and 1,431.44

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Solution

The fourth proportional to 4,204.90, 6,308.12 and 1,431.44 is: 2,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,204.90 : 6,308.12 = 1,431.44 : x
  2. Step 2: Convert to fraction form
    4,204.90/6,308.12 = 1,431.44/x
  3. Step 3: Cross multiply
    4,204.90x = 6,308.12 × 1,431.44
  4. Step 4: Simplify right side
    4,204.90x = 9,029,688.14
  5. Step 5: Solve for x
    x = 9,029,688.14/4,204.90
  6. Step 6: Final answer
    x = 2,147.42

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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.