Home / 4,192.98-6,290.38-1,271.51

Finding the Fourth Proportional to 4,192.98, 6,290.38 and 1,271.51

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Solution

The fourth proportional to 4,192.98, 6,290.38 and 1,271.51 is: 1,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.98 : 6,290.38 = 1,271.51 : x
  2. Step 2: Convert to fraction form
    4,192.98/6,290.38 = 1,271.51/x
  3. Step 3: Cross multiply
    4,192.98x = 6,290.38 × 1,271.51
  4. Step 4: Simplify right side
    4,192.98x = 7,998,281.07
  5. Step 5: Solve for x
    x = 7,998,281.07/4,192.98
  6. Step 6: Final answer
    x = 1,907.54

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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.