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Finding the Fourth Proportional to 6,686.75, 10,030.13 and 2,069.75

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Solution

The fourth proportional to 6,686.75, 10,030.13 and 2,069.75 is: 3,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.75 : 10,030.13 = 2,069.75 : x
  2. Step 2: Convert to fraction form
    6,686.75/10,030.13 = 2,069.75/x
  3. Step 3: Cross multiply
    6,686.75x = 10,030.13 × 2,069.75
  4. Step 4: Simplify right side
    6,686.75x = 20,759,861.57
  5. Step 5: Solve for x
    x = 20,759,861.57/6,686.75
  6. Step 6: Final answer
    x = 3,104.63

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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.