Home / 4,192.97-6,290.36-1,271.51

Finding the Fourth Proportional to 4,192.97, 6,290.36 and 1,271.51

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Solution

The fourth proportional to 4,192.97, 6,290.36 and 1,271.51 is: 1,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.97 : 6,290.36 = 1,271.51 : x
  2. Step 2: Convert to fraction form
    4,192.97/6,290.36 = 1,271.51/x
  3. Step 3: Cross multiply
    4,192.97x = 6,290.36 × 1,271.51
  4. Step 4: Simplify right side
    4,192.97x = 7,998,217.83
  5. Step 5: Solve for x
    x = 7,998,217.83/4,192.97
  6. Step 6: Final answer
    x = 1,907.53

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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.