Home / 4,128.63-6,192.94-1,206.96

Finding the Fourth Proportional to 4,128.63, 6,192.94 and 1,206.96

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Solution

The fourth proportional to 4,128.63, 6,192.94 and 1,206.96 is: 1,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.63 : 6,192.94 = 1,206.96 : x
  2. Step 2: Convert to fraction form
    4,128.63/6,192.94 = 1,206.96/x
  3. Step 3: Cross multiply
    4,128.63x = 6,192.94 × 1,206.96
  4. Step 4: Simplify right side
    4,128.63x = 7,474,630.86
  5. Step 5: Solve for x
    x = 7,474,630.86/4,128.63
  6. Step 6: Final answer
    x = 1,810.44

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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.