Home / 6,151.27-9,228.36-1,991.27

Finding the Fourth Proportional to 6,151.27, 9,228.36 and 1,991.27

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Solution

The fourth proportional to 6,151.27, 9,228.36 and 1,991.27 is: 2,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.27 : 9,228.36 = 1,991.27 : x
  2. Step 2: Convert to fraction form
    6,151.27/9,228.36 = 1,991.27/x
  3. Step 3: Cross multiply
    6,151.27x = 9,228.36 × 1,991.27
  4. Step 4: Simplify right side
    6,151.27x = 18,376,184.47
  5. Step 5: Solve for x
    x = 18,376,184.47/6,151.27
  6. Step 6: Final answer
    x = 2,987.38

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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.