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Finding the Fourth Proportional to 6,000.84, 9,005.88 and 3,920.28

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Solution

The fourth proportional to 6,000.84, 9,005.88 and 3,920.28 is: 5,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,000.84 : 9,005.88 = 3,920.28 : x
  2. Step 2: Convert to fraction form
    6,000.84/9,005.88 = 3,920.28/x
  3. Step 3: Cross multiply
    6,000.84x = 9,005.88 × 3,920.28
  4. Step 4: Simplify right side
    6,000.84x = 35,305,571.25
  5. Step 5: Solve for x
    x = 35,305,571.25/6,000.84
  6. Step 6: Final answer
    x = 5,883.44

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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.