Home / 6,131.12-9,197.98-1,971.44

Finding the Fourth Proportional to 6,131.12, 9,197.98 and 1,971.44

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Solution

The fourth proportional to 6,131.12, 9,197.98 and 1,971.44 is: 2,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.12 : 9,197.98 = 1,971.44 : x
  2. Step 2: Convert to fraction form
    6,131.12/9,197.98 = 1,971.44/x
  3. Step 3: Cross multiply
    6,131.12x = 9,197.98 × 1,971.44
  4. Step 4: Simplify right side
    6,131.12x = 18,133,265.69
  5. Step 5: Solve for x
    x = 18,133,265.69/6,131.12
  6. Step 6: Final answer
    x = 2,957.58

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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.