Home / 4,231.32-6,346.58-1,309.32

Finding the Fourth Proportional to 4,231.32, 6,346.58 and 1,309.32

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Solution

The fourth proportional to 4,231.32, 6,346.58 and 1,309.32 is: 1,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.32 : 6,346.58 = 1,309.32 : x
  2. Step 2: Convert to fraction form
    4,231.32/6,346.58 = 1,309.32/x
  3. Step 3: Cross multiply
    4,231.32x = 6,346.58 × 1,309.32
  4. Step 4: Simplify right side
    4,231.32x = 8,309,697.58
  5. Step 5: Solve for x
    x = 8,309,697.58/4,231.32
  6. Step 6: Final answer
    x = 1,963.85

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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.