Home / 4,127.27-6,190.63-1,205.33

Finding the Fourth Proportional to 4,127.27, 6,190.63 and 1,205.33

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Solution

The fourth proportional to 4,127.27, 6,190.63 and 1,205.33 is: 1,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.27 : 6,190.63 = 1,205.33 : x
  2. Step 2: Convert to fraction form
    4,127.27/6,190.63 = 1,205.33/x
  3. Step 3: Cross multiply
    4,127.27x = 6,190.63 × 1,205.33
  4. Step 4: Simplify right side
    4,127.27x = 7,461,718.09
  5. Step 5: Solve for x
    x = 7,461,718.09/4,127.27
  6. Step 6: Final answer
    x = 1,807.91

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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.