Home / 4,230.75-6,346.43-1,308.68

Finding the Fourth Proportional to 4,230.75, 6,346.43 and 1,308.68

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Solution

The fourth proportional to 4,230.75, 6,346.43 and 1,308.68 is: 1,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.75 : 6,346.43 = 1,308.68 : x
  2. Step 2: Convert to fraction form
    4,230.75/6,346.43 = 1,308.68/x
  3. Step 3: Cross multiply
    4,230.75x = 6,346.43 × 1,308.68
  4. Step 4: Simplify right side
    4,230.75x = 8,305,446.01
  5. Step 5: Solve for x
    x = 8,305,446.01/4,230.75
  6. Step 6: Final answer
    x = 1,963.11

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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.