Home / 5,428.13-8,136.05-3,232.25

Finding the Fourth Proportional to 5,428.13, 8,136.05 and 3,232.25

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Solution

The fourth proportional to 5,428.13, 8,136.05 and 3,232.25 is: 4,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.13 : 8,136.05 = 3,232.25 : x
  2. Step 2: Convert to fraction form
    5,428.13/8,136.05 = 3,232.25/x
  3. Step 3: Cross multiply
    5,428.13x = 8,136.05 × 3,232.25
  4. Step 4: Simplify right side
    5,428.13x = 26,297,690.77
  5. Step 5: Solve for x
    x = 26,297,690.77/5,428.13
  6. Step 6: Final answer
    x = 4,844.71

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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.