Home / 4,990.34-7,488.84-2,801

Finding the Fourth Proportional to 4,990.34, 7,488.84 and 2,801

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Solution

The fourth proportional to 4,990.34, 7,488.84 and 2,801 is: 4,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.34 : 7,488.84 = 2,801 : x
  2. Step 2: Convert to fraction form
    4,990.34/7,488.84 = 2,801/x
  3. Step 3: Cross multiply
    4,990.34x = 7,488.84 × 2,801
  4. Step 4: Simplify right side
    4,990.34x = 20,976,240.84
  5. Step 5: Solve for x
    x = 20,976,240.84/4,990.34
  6. Step 6: Final answer
    x = 4,203.37

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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.