Home / 8,164.79-12,247.32-2,321.55

Finding the Fourth Proportional to 8,164.79, 12,247.32 and 2,321.55

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Solution

The fourth proportional to 8,164.79, 12,247.32 and 2,321.55 is: 3,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.79 : 12,247.32 = 2,321.55 : x
  2. Step 2: Convert to fraction form
    8,164.79/12,247.32 = 2,321.55/x
  3. Step 3: Cross multiply
    8,164.79x = 12,247.32 × 2,321.55
  4. Step 4: Simplify right side
    8,164.79x = 28,432,765.75
  5. Step 5: Solve for x
    x = 28,432,765.75/8,164.79
  6. Step 6: Final answer
    x = 3,482.37

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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.