Home / 4,128.96-6,192.60-1,207.44

Finding the Fourth Proportional to 4,128.96, 6,192.60 and 1,207.44

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Solution

The fourth proportional to 4,128.96, 6,192.60 and 1,207.44 is: 1,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.96 : 6,192.60 = 1,207.44 : x
  2. Step 2: Convert to fraction form
    4,128.96/6,192.60 = 1,207.44/x
  3. Step 3: Cross multiply
    4,128.96x = 6,192.60 × 1,207.44
  4. Step 4: Simplify right side
    4,128.96x = 7,477,192.94
  5. Step 5: Solve for x
    x = 7,477,192.94/4,128.96
  6. Step 6: Final answer
    x = 1,810.91

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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.