Home / 4,488-6,196.34-2,918.40

Finding the Fourth Proportional to 4,488, 6,196.34 and 2,918.40

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Solution

The fourth proportional to 4,488, 6,196.34 and 2,918.40 is: 4,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488 : 6,196.34 = 2,918.40 : x
  2. Step 2: Convert to fraction form
    4,488/6,196.34 = 2,918.40/x
  3. Step 3: Cross multiply
    4,488x = 6,196.34 × 2,918.40
  4. Step 4: Simplify right side
    4,488x = 18,083,398.66
  5. Step 5: Solve for x
    x = 18,083,398.66/4,488
  6. Step 6: Final answer
    x = 4,029.28

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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.