Home / 5,396.21-8,094.36-1,447.65

Finding the Fourth Proportional to 5,396.21, 8,094.36 and 1,447.65

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Solution

The fourth proportional to 5,396.21, 8,094.36 and 1,447.65 is: 2,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.21 : 8,094.36 = 1,447.65 : x
  2. Step 2: Convert to fraction form
    5,396.21/8,094.36 = 1,447.65/x
  3. Step 3: Cross multiply
    5,396.21x = 8,094.36 × 1,447.65
  4. Step 4: Simplify right side
    5,396.21x = 11,717,800.25
  5. Step 5: Solve for x
    x = 11,717,800.25/5,396.21
  6. Step 6: Final answer
    x = 2,171.49

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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.