Home / 8,956.08-12,361.32-5,230.80

Finding the Fourth Proportional to 8,956.08, 12,361.32 and 5,230.80

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Solution

The fourth proportional to 8,956.08, 12,361.32 and 5,230.80 is: 7,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.08 : 12,361.32 = 5,230.80 : x
  2. Step 2: Convert to fraction form
    8,956.08/12,361.32 = 5,230.80/x
  3. Step 3: Cross multiply
    8,956.08x = 12,361.32 × 5,230.80
  4. Step 4: Simplify right side
    8,956.08x = 64,659,592.66
  5. Step 5: Solve for x
    x = 64,659,592.66/8,956.08
  6. Step 6: Final answer
    x = 7,219.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.