Home / 4,431.68-6,645.96-1,310.86

Finding the Fourth Proportional to 4,431.68, 6,645.96 and 1,310.86

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Solution

The fourth proportional to 4,431.68, 6,645.96 and 1,310.86 is: 1,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.68 : 6,645.96 = 1,310.86 : x
  2. Step 2: Convert to fraction form
    4,431.68/6,645.96 = 1,310.86/x
  3. Step 3: Cross multiply
    4,431.68x = 6,645.96 × 1,310.86
  4. Step 4: Simplify right side
    4,431.68x = 8,711,923.13
  5. Step 5: Solve for x
    x = 8,711,923.13/4,431.68
  6. Step 6: Final answer
    x = 1,965.83

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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.