Home / 6,986.55-10,479.81-2,056.18

Finding the Fourth Proportional to 6,986.55, 10,479.81 and 2,056.18

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Solution

The fourth proportional to 6,986.55, 10,479.81 and 2,056.18 is: 3,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.55 : 10,479.81 = 2,056.18 : x
  2. Step 2: Convert to fraction form
    6,986.55/10,479.81 = 2,056.18/x
  3. Step 3: Cross multiply
    6,986.55x = 10,479.81 × 2,056.18
  4. Step 4: Simplify right side
    6,986.55x = 21,548,375.73
  5. Step 5: Solve for x
    x = 21,548,375.73/6,986.55
  6. Step 6: Final answer
    x = 3,084.27

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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.