Home / 8,146.68-12,219.30-4,450.56

Finding the Fourth Proportional to 8,146.68, 12,219.30 and 4,450.56

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Solution

The fourth proportional to 8,146.68, 12,219.30 and 4,450.56 is: 6,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.68 : 12,219.30 = 4,450.56 : x
  2. Step 2: Convert to fraction form
    8,146.68/12,219.30 = 4,450.56/x
  3. Step 3: Cross multiply
    8,146.68x = 12,219.30 × 4,450.56
  4. Step 4: Simplify right side
    8,146.68x = 54,382,727.81
  5. Step 5: Solve for x
    x = 54,382,727.81/8,146.68
  6. Step 6: Final answer
    x = 6,675.45

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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.