Home / 4,127.80-6,192.58-1,205.86

Finding the Fourth Proportional to 4,127.80, 6,192.58 and 1,205.86

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Solution

The fourth proportional to 4,127.80, 6,192.58 and 1,205.86 is: 1,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.80 : 6,192.58 = 1,205.86 : x
  2. Step 2: Convert to fraction form
    4,127.80/6,192.58 = 1,205.86/x
  3. Step 3: Cross multiply
    4,127.80x = 6,192.58 × 1,205.86
  4. Step 4: Simplify right side
    4,127.80x = 7,467,384.52
  5. Step 5: Solve for x
    x = 7,467,384.52/4,127.80
  6. Step 6: Final answer
    x = 1,809.05

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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.