Home / 4,305.40-6,458.94-1,382.92

Finding the Fourth Proportional to 4,305.40, 6,458.94 and 1,382.92

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Solution

The fourth proportional to 4,305.40, 6,458.94 and 1,382.92 is: 2,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.40 : 6,458.94 = 1,382.92 : x
  2. Step 2: Convert to fraction form
    4,305.40/6,458.94 = 1,382.92/x
  3. Step 3: Cross multiply
    4,305.40x = 6,458.94 × 1,382.92
  4. Step 4: Simplify right side
    4,305.40x = 8,932,197.30
  5. Step 5: Solve for x
    x = 8,932,197.30/4,305.40
  6. Step 6: Final answer
    x = 2,074.65

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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.