Home / 6,311.42-9,467.15-1,928.87

Finding the Fourth Proportional to 6,311.42, 9,467.15 and 1,928.87

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Solution

The fourth proportional to 6,311.42, 9,467.15 and 1,928.87 is: 2,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.42 : 9,467.15 = 1,928.87 : x
  2. Step 2: Convert to fraction form
    6,311.42/9,467.15 = 1,928.87/x
  3. Step 3: Cross multiply
    6,311.42x = 9,467.15 × 1,928.87
  4. Step 4: Simplify right side
    6,311.42x = 18,260,844.64
  5. Step 5: Solve for x
    x = 18,260,844.64/6,311.42
  6. Step 6: Final answer
    x = 2,893.30

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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.