Home / 4,091.28-6,136.92-1,898.81

Finding the Fourth Proportional to 4,091.28, 6,136.92 and 1,898.81

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Solution

The fourth proportional to 4,091.28, 6,136.92 and 1,898.81 is: 2,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.28 : 6,136.92 = 1,898.81 : x
  2. Step 2: Convert to fraction form
    4,091.28/6,136.92 = 1,898.81/x
  3. Step 3: Cross multiply
    4,091.28x = 6,136.92 × 1,898.81
  4. Step 4: Simplify right side
    4,091.28x = 11,652,860.41
  5. Step 5: Solve for x
    x = 11,652,860.41/4,091.28
  6. Step 6: Final answer
    x = 2,848.22

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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.