Home / 8,450.06-11,661.19-4,915.43

Finding the Fourth Proportional to 8,450.06, 11,661.19 and 4,915.43

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Solution

The fourth proportional to 8,450.06, 11,661.19 and 4,915.43 is: 6,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.06 : 11,661.19 = 4,915.43 : x
  2. Step 2: Convert to fraction form
    8,450.06/11,661.19 = 4,915.43/x
  3. Step 3: Cross multiply
    8,450.06x = 11,661.19 × 4,915.43
  4. Step 4: Simplify right side
    8,450.06x = 57,319,692.57
  5. Step 5: Solve for x
    x = 57,319,692.57/8,450.06
  6. Step 6: Final answer
    x = 6,783.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.