Home / 5,441.72-8,163.45-2,154.74

Finding the Fourth Proportional to 5,441.72, 8,163.45 and 2,154.74

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Solution

The fourth proportional to 5,441.72, 8,163.45 and 2,154.74 is: 3,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.72 : 8,163.45 = 2,154.74 : x
  2. Step 2: Convert to fraction form
    5,441.72/8,163.45 = 2,154.74/x
  3. Step 3: Cross multiply
    5,441.72x = 8,163.45 × 2,154.74
  4. Step 4: Simplify right side
    5,441.72x = 17,590,071.44
  5. Step 5: Solve for x
    x = 17,590,071.44/5,441.72
  6. Step 6: Final answer
    x = 3,232.45

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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.