Home / 6,290.77-9,437.04-2,131.96

Finding the Fourth Proportional to 6,290.77, 9,437.04 and 2,131.96

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Solution

The fourth proportional to 6,290.77, 9,437.04 and 2,131.96 is: 3,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.77 : 9,437.04 = 2,131.96 : x
  2. Step 2: Convert to fraction form
    6,290.77/9,437.04 = 2,131.96/x
  3. Step 3: Cross multiply
    6,290.77x = 9,437.04 × 2,131.96
  4. Step 4: Simplify right side
    6,290.77x = 20,119,391.80
  5. Step 5: Solve for x
    x = 20,119,391.80/6,290.77
  6. Step 6: Final answer
    x = 3,198.24

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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.