Home / 6,091.20-9,136.84-1,931.20

Finding the Fourth Proportional to 6,091.20, 9,136.84 and 1,931.20

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Solution

The fourth proportional to 6,091.20, 9,136.84 and 1,931.20 is: 2,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.20 : 9,136.84 = 1,931.20 : x
  2. Step 2: Convert to fraction form
    6,091.20/9,136.84 = 1,931.20/x
  3. Step 3: Cross multiply
    6,091.20x = 9,136.84 × 1,931.20
  4. Step 4: Simplify right side
    6,091.20x = 17,645,065.41
  5. Step 5: Solve for x
    x = 17,645,065.41/6,091.20
  6. Step 6: Final answer
    x = 2,896.81

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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.