Home / 6,131.13-9,197.97-1,971.45

Finding the Fourth Proportional to 6,131.13, 9,197.97 and 1,971.45

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Solution

The fourth proportional to 6,131.13, 9,197.97 and 1,971.45 is: 2,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.13 : 9,197.97 = 1,971.45 : x
  2. Step 2: Convert to fraction form
    6,131.13/9,197.97 = 1,971.45/x
  3. Step 3: Cross multiply
    6,131.13x = 9,197.97 × 1,971.45
  4. Step 4: Simplify right side
    6,131.13x = 18,133,337.96
  5. Step 5: Solve for x
    x = 18,133,337.96/6,131.13
  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.