Home / 5,018.09-6,918.66-3,222.39

Finding the Fourth Proportional to 5,018.09, 6,918.66 and 3,222.39

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Solution

The fourth proportional to 5,018.09, 6,918.66 and 3,222.39 is: 4,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.09 : 6,918.66 = 3,222.39 : x
  2. Step 2: Convert to fraction form
    5,018.09/6,918.66 = 3,222.39/x
  3. Step 3: Cross multiply
    5,018.09x = 6,918.66 × 3,222.39
  4. Step 4: Simplify right side
    5,018.09x = 22,294,646.74
  5. Step 5: Solve for x
    x = 22,294,646.74/5,018.09
  6. Step 6: Final answer
    x = 4,442.86

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1.5x scale

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.