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Finding the Fourth Proportional to 5,803.85, 8,704.95 and 1,907.75

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Solution

The fourth proportional to 5,803.85, 8,704.95 and 1,907.75 is: 2,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.85 : 8,704.95 = 1,907.75 : x
  2. Step 2: Convert to fraction form
    5,803.85/8,704.95 = 1,907.75/x
  3. Step 3: Cross multiply
    5,803.85x = 8,704.95 × 1,907.75
  4. Step 4: Simplify right side
    5,803.85x = 16,606,868.36
  5. Step 5: Solve for x
    x = 16,606,868.36/5,803.85
  6. Step 6: Final answer
    x = 2,861.35

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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.