Home / 4,311.72-6,467.34-1,191.75

Finding the Fourth Proportional to 4,311.72, 6,467.34 and 1,191.75

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Solution

The fourth proportional to 4,311.72, 6,467.34 and 1,191.75 is: 1,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.72 : 6,467.34 = 1,191.75 : x
  2. Step 2: Convert to fraction form
    4,311.72/6,467.34 = 1,191.75/x
  3. Step 3: Cross multiply
    4,311.72x = 6,467.34 × 1,191.75
  4. Step 4: Simplify right side
    4,311.72x = 7,707,432.66
  5. Step 5: Solve for x
    x = 7,707,432.66/4,311.72
  6. Step 6: Final answer
    x = 1,787.55

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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.