Home / 8,928.90-13,391.64-3,084.30

Finding the Fourth Proportional to 8,928.90, 13,391.64 and 3,084.30

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Solution

The fourth proportional to 8,928.90, 13,391.64 and 3,084.30 is: 4,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.90 : 13,391.64 = 3,084.30 : x
  2. Step 2: Convert to fraction form
    8,928.90/13,391.64 = 3,084.30/x
  3. Step 3: Cross multiply
    8,928.90x = 13,391.64 × 3,084.30
  4. Step 4: Simplify right side
    8,928.90x = 41,303,835.25
  5. Step 5: Solve for x
    x = 41,303,835.25/8,928.90
  6. Step 6: Final answer
    x = 4,625.86

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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.