Home / 9,766.85-14,639.94-3,191.27

Finding the Fourth Proportional to 9,766.85, 14,639.94 and 3,191.27

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Solution

The fourth proportional to 9,766.85, 14,639.94 and 3,191.27 is: 4,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.85 : 14,639.94 = 3,191.27 : x
  2. Step 2: Convert to fraction form
    9,766.85/14,639.94 = 3,191.27/x
  3. Step 3: Cross multiply
    9,766.85x = 14,639.94 × 3,191.27
  4. Step 4: Simplify right side
    9,766.85x = 46,719,928.12
  5. Step 5: Solve for x
    x = 46,719,928.12/9,766.85
  6. Step 6: Final answer
    x = 4,783.52

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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.