Home / 4,809.75-7,214.91-1,347.27

Finding the Fourth Proportional to 4,809.75, 7,214.91 and 1,347.27

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Solution

The fourth proportional to 4,809.75, 7,214.91 and 1,347.27 is: 2,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.75 : 7,214.91 = 1,347.27 : x
  2. Step 2: Convert to fraction form
    4,809.75/7,214.91 = 1,347.27/x
  3. Step 3: Cross multiply
    4,809.75x = 7,214.91 × 1,347.27
  4. Step 4: Simplify right side
    4,809.75x = 9,720,431.80
  5. Step 5: Solve for x
    x = 9,720,431.80/4,809.75
  6. Step 6: Final answer
    x = 2,020.98

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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.