Home / 4,488-6,734.43-2,179.50

Finding the Fourth Proportional to 4,488, 6,734.43 and 2,179.50

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Solution

The fourth proportional to 4,488, 6,734.43 and 2,179.50 is: 3,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488 : 6,734.43 = 2,179.50 : x
  2. Step 2: Convert to fraction form
    4,488/6,734.43 = 2,179.50/x
  3. Step 3: Cross multiply
    4,488x = 6,734.43 × 2,179.50
  4. Step 4: Simplify right side
    4,488x = 14,677,690.19
  5. Step 5: Solve for x
    x = 14,677,690.19/4,488
  6. Step 6: Final answer
    x = 3,270.43

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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.