Home / 9,289.98-13,940.75-5,786.87

Finding the Fourth Proportional to 9,289.98, 13,940.75 and 5,786.87

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Solution

The fourth proportional to 9,289.98, 13,940.75 and 5,786.87 is: 8,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.98 : 13,940.75 = 5,786.87 : x
  2. Step 2: Convert to fraction form
    9,289.98/13,940.75 = 5,786.87/x
  3. Step 3: Cross multiply
    9,289.98x = 13,940.75 × 5,786.87
  4. Step 4: Simplify right side
    9,289.98x = 80,673,252.72
  5. Step 5: Solve for x
    x = 80,673,252.72/9,289.98
  6. Step 6: Final answer
    x = 8,683.90

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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.