Home / 4,938.22-6,815.39-2,814.53

Finding the Fourth Proportional to 4,938.22, 6,815.39 and 2,814.53

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Solution

The fourth proportional to 4,938.22, 6,815.39 and 2,814.53 is: 3,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.22 : 6,815.39 = 2,814.53 : x
  2. Step 2: Convert to fraction form
    4,938.22/6,815.39 = 2,814.53/x
  3. Step 3: Cross multiply
    4,938.22x = 6,815.39 × 2,814.53
  4. Step 4: Simplify right side
    4,938.22x = 19,182,071.47
  5. Step 5: Solve for x
    x = 19,182,071.47/4,938.22
  6. Step 6: Final answer
    x = 3,884.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.