Home / 4,128.44-6,192.86-1,353.98

Finding the Fourth Proportional to 4,128.44, 6,192.86 and 1,353.98

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Solution

The fourth proportional to 4,128.44, 6,192.86 and 1,353.98 is: 2,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.44 : 6,192.86 = 1,353.98 : x
  2. Step 2: Convert to fraction form
    4,128.44/6,192.86 = 1,353.98/x
  3. Step 3: Cross multiply
    4,128.44x = 6,192.86 × 1,353.98
  4. Step 4: Simplify right side
    4,128.44x = 8,385,017.30
  5. Step 5: Solve for x
    x = 8,385,017.30/4,128.44
  6. Step 6: Final answer
    x = 2,031.04

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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.