Home / 4,311.06-6,467.72-1,389.44

Finding the Fourth Proportional to 4,311.06, 6,467.72 and 1,389.44

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Solution

The fourth proportional to 4,311.06, 6,467.72 and 1,389.44 is: 2,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.06 : 6,467.72 = 1,389.44 : x
  2. Step 2: Convert to fraction form
    4,311.06/6,467.72 = 1,389.44/x
  3. Step 3: Cross multiply
    4,311.06x = 6,467.72 × 1,389.44
  4. Step 4: Simplify right side
    4,311.06x = 8,986,469.59
  5. Step 5: Solve for x
    x = 8,986,469.59/4,311.06
  6. Step 6: Final answer
    x = 2,084.52

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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.