Home / 8,454.20-12,684.01-3,524.36

Finding the Fourth Proportional to 8,454.20, 12,684.01 and 3,524.36

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Solution

The fourth proportional to 8,454.20, 12,684.01 and 3,524.36 is: 5,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.20 : 12,684.01 = 3,524.36 : x
  2. Step 2: Convert to fraction form
    8,454.20/12,684.01 = 3,524.36/x
  3. Step 3: Cross multiply
    8,454.20x = 12,684.01 × 3,524.36
  4. Step 4: Simplify right side
    8,454.20x = 44,702,999.86
  5. Step 5: Solve for x
    x = 44,702,999.86/8,454.20
  6. Step 6: Final answer
    x = 5,287.67

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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.