Home / 5,450.41-8,180.29-2,165.81

Finding the Fourth Proportional to 5,450.41, 8,180.29 and 2,165.81

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Solution

The fourth proportional to 5,450.41, 8,180.29 and 2,165.81 is: 3,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.41 : 8,180.29 = 2,165.81 : x
  2. Step 2: Convert to fraction form
    5,450.41/8,180.29 = 2,165.81/x
  3. Step 3: Cross multiply
    5,450.41x = 8,180.29 × 2,165.81
  4. Step 4: Simplify right side
    5,450.41x = 17,716,984.71
  5. Step 5: Solve for x
    x = 17,716,984.71/5,450.41
  6. Step 6: Final answer
    x = 3,250.58

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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.