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Finding the Fourth Proportional to 6,986.89, 10,480.06 and 2,369.89

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Solution

The fourth proportional to 6,986.89, 10,480.06 and 2,369.89 is: 3,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.89 : 10,480.06 = 2,369.89 : x
  2. Step 2: Convert to fraction form
    6,986.89/10,480.06 = 2,369.89/x
  3. Step 3: Cross multiply
    6,986.89x = 10,480.06 × 2,369.89
  4. Step 4: Simplify right side
    6,986.89x = 24,836,589.39
  5. Step 5: Solve for x
    x = 24,836,589.39/6,986.89
  6. Step 6: Final answer
    x = 3,554.74

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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.