Home / 8,823.06-13,239.78-3,280.30

Finding the Fourth Proportional to 8,823.06, 13,239.78 and 3,280.30

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Solution

The fourth proportional to 8,823.06, 13,239.78 and 3,280.30 is: 4,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.06 : 13,239.78 = 3,280.30 : x
  2. Step 2: Convert to fraction form
    8,823.06/13,239.78 = 3,280.30/x
  3. Step 3: Cross multiply
    8,823.06x = 13,239.78 × 3,280.30
  4. Step 4: Simplify right side
    8,823.06x = 43,430,450.33
  5. Step 5: Solve for x
    x = 43,430,450.33/8,823.06
  6. Step 6: Final answer
    x = 4,922.38

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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.