Home / 6,311.80-9,467.72-1,929.24

Finding the Fourth Proportional to 6,311.80, 9,467.72 and 1,929.24

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Solution

The fourth proportional to 6,311.80, 9,467.72 and 1,929.24 is: 2,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.80 : 9,467.72 = 1,929.24 : x
  2. Step 2: Convert to fraction form
    6,311.80/9,467.72 = 1,929.24/x
  3. Step 3: Cross multiply
    6,311.80x = 9,467.72 × 1,929.24
  4. Step 4: Simplify right side
    6,311.80x = 18,265,504.13
  5. Step 5: Solve for x
    x = 18,265,504.13/6,311.80
  6. Step 6: Final answer
    x = 2,893.87

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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.