Home / 5,442.40-8,145.48-4,136.56

Finding the Fourth Proportional to 5,442.40, 8,145.48 and 4,136.56

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Solution

The fourth proportional to 5,442.40, 8,145.48 and 4,136.56 is: 6,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.40 : 8,145.48 = 4,136.56 : x
  2. Step 2: Convert to fraction form
    5,442.40/8,145.48 = 4,136.56/x
  3. Step 3: Cross multiply
    5,442.40x = 8,145.48 × 4,136.56
  4. Step 4: Simplify right side
    5,442.40x = 33,694,266.75
  5. Step 5: Solve for x
    x = 33,694,266.75/5,442.40
  6. Step 6: Final answer
    x = 6,191.07

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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.