Home / 4,230.90-6,346.62-1,308.96

Finding the Fourth Proportional to 4,230.90, 6,346.62 and 1,308.96

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Solution

The fourth proportional to 4,230.90, 6,346.62 and 1,308.96 is: 1,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.90 : 6,346.62 = 1,308.96 : x
  2. Step 2: Convert to fraction form
    4,230.90/6,346.62 = 1,308.96/x
  3. Step 3: Cross multiply
    4,230.90x = 6,346.62 × 1,308.96
  4. Step 4: Simplify right side
    4,230.90x = 8,307,471.72
  5. Step 5: Solve for x
    x = 8,307,471.72/4,230.90
  6. Step 6: Final answer
    x = 1,963.52

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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.