Home / 4,288.83-6,433.25-1,326.80

Finding the Fourth Proportional to 4,288.83, 6,433.25 and 1,326.80

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Solution

The fourth proportional to 4,288.83, 6,433.25 and 1,326.80 is: 1,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.83 : 6,433.25 = 1,326.80 : x
  2. Step 2: Convert to fraction form
    4,288.83/6,433.25 = 1,326.80/x
  3. Step 3: Cross multiply
    4,288.83x = 6,433.25 × 1,326.80
  4. Step 4: Simplify right side
    4,288.83x = 8,535,597.30
  5. Step 5: Solve for x
    x = 8,535,597.30/4,288.83
  6. Step 6: Final answer
    x = 1,990.19

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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.