Home / 7,999.89-12,004.41-4,302.24

Finding the Fourth Proportional to 7,999.89, 12,004.41 and 4,302.24

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Solution

The fourth proportional to 7,999.89, 12,004.41 and 4,302.24 is: 6,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.89 : 12,004.41 = 4,302.24 : x
  2. Step 2: Convert to fraction form
    7,999.89/12,004.41 = 4,302.24/x
  3. Step 3: Cross multiply
    7,999.89x = 12,004.41 × 4,302.24
  4. Step 4: Simplify right side
    7,999.89x = 51,645,852.88
  5. Step 5: Solve for x
    x = 51,645,852.88/7,999.89
  6. Step 6: Final answer
    x = 6,455.82

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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.