Home / 4,288.94-6,433.30-1,980.44

Finding the Fourth Proportional to 4,288.94, 6,433.30 and 1,980.44

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Solution

The fourth proportional to 4,288.94, 6,433.30 and 1,980.44 is: 2,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.94 : 6,433.30 = 1,980.44 : x
  2. Step 2: Convert to fraction form
    4,288.94/6,433.30 = 1,980.44/x
  3. Step 3: Cross multiply
    4,288.94x = 6,433.30 × 1,980.44
  4. Step 4: Simplify right side
    4,288.94x = 12,740,764.65
  5. Step 5: Solve for x
    x = 12,740,764.65/4,288.94
  6. Step 6: Final answer
    x = 2,970.61

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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.