Home / 5,448.60-8,172.18-2,162.52

Finding the Fourth Proportional to 5,448.60, 8,172.18 and 2,162.52

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Solution

The fourth proportional to 5,448.60, 8,172.18 and 2,162.52 is: 3,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.60 : 8,172.18 = 2,162.52 : x
  2. Step 2: Convert to fraction form
    5,448.60/8,172.18 = 2,162.52/x
  3. Step 3: Cross multiply
    5,448.60x = 8,172.18 × 2,162.52
  4. Step 4: Simplify right side
    5,448.60x = 17,672,502.69
  5. Step 5: Solve for x
    x = 17,672,502.69/5,448.60
  6. Step 6: Final answer
    x = 3,243.49

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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.