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Finding the Fourth Proportional to 6,798.87, 10,198.76 and 1,868.12

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Solution

The fourth proportional to 6,798.87, 10,198.76 and 1,868.12 is: 2,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.87 : 10,198.76 = 1,868.12 : x
  2. Step 2: Convert to fraction form
    6,798.87/10,198.76 = 1,868.12/x
  3. Step 3: Cross multiply
    6,798.87x = 10,198.76 × 1,868.12
  4. Step 4: Simplify right side
    6,798.87x = 19,052,447.20
  5. Step 5: Solve for x
    x = 19,052,447.20/6,798.87
  6. Step 6: Final answer
    x = 2,802.30

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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.