Home / 8,416.96-12,622.56-3,224.32

Finding the Fourth Proportional to 8,416.96, 12,622.56 and 3,224.32

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Solution

The fourth proportional to 8,416.96, 12,622.56 and 3,224.32 is: 4,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.96 : 12,622.56 = 3,224.32 : x
  2. Step 2: Convert to fraction form
    8,416.96/12,622.56 = 3,224.32/x
  3. Step 3: Cross multiply
    8,416.96x = 12,622.56 × 3,224.32
  4. Step 4: Simplify right side
    8,416.96x = 40,699,172.66
  5. Step 5: Solve for x
    x = 40,699,172.66/8,416.96
  6. Step 6: Final answer
    x = 4,835.38

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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.