Home / 8,004.29-12,000.47-3,840.33

Finding the Fourth Proportional to 8,004.29, 12,000.47 and 3,840.33

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Solution

The fourth proportional to 8,004.29, 12,000.47 and 3,840.33 is: 5,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.29 : 12,000.47 = 3,840.33 : x
  2. Step 2: Convert to fraction form
    8,004.29/12,000.47 = 3,840.33/x
  3. Step 3: Cross multiply
    8,004.29x = 12,000.47 × 3,840.33
  4. Step 4: Simplify right side
    8,004.29x = 46,085,774.56
  5. Step 5: Solve for x
    x = 46,085,774.56/8,004.29
  6. Step 6: Final answer
    x = 5,757.64

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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.