Home / 6,222.64-8,586.84-3,428.14

Finding the Fourth Proportional to 6,222.64, 8,586.84 and 3,428.14

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Solution

The fourth proportional to 6,222.64, 8,586.84 and 3,428.14 is: 4,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.64 : 8,586.84 = 3,428.14 : x
  2. Step 2: Convert to fraction form
    6,222.64/8,586.84 = 3,428.14/x
  3. Step 3: Cross multiply
    6,222.64x = 8,586.84 × 3,428.14
  4. Step 4: Simplify right side
    6,222.64x = 29,436,889.68
  5. Step 5: Solve for x
    x = 29,436,889.68/6,222.64
  6. Step 6: Final answer
    x = 4,730.61

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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.