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Finding the Fourth Proportional to 6,839.66, 10,257.10 and 1,907.98

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Solution

The fourth proportional to 6,839.66, 10,257.10 and 1,907.98 is: 2,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.66 : 10,257.10 = 1,907.98 : x
  2. Step 2: Convert to fraction form
    6,839.66/10,257.10 = 1,907.98/x
  3. Step 3: Cross multiply
    6,839.66x = 10,257.10 × 1,907.98
  4. Step 4: Simplify right side
    6,839.66x = 19,570,280.83
  5. Step 5: Solve for x
    x = 19,570,280.83/6,839.66
  6. Step 6: Final answer
    x = 2,861.29

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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.