Home / 4,911.48-7,367.70-1,623.80

Finding the Fourth Proportional to 4,911.48, 7,367.70 and 1,623.80

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Solution

The fourth proportional to 4,911.48, 7,367.70 and 1,623.80 is: 2,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.48 : 7,367.70 = 1,623.80 : x
  2. Step 2: Convert to fraction form
    4,911.48/7,367.70 = 1,623.80/x
  3. Step 3: Cross multiply
    4,911.48x = 7,367.70 × 1,623.80
  4. Step 4: Simplify right side
    4,911.48x = 11,963,671.26
  5. Step 5: Solve for x
    x = 11,963,671.26/4,911.48
  6. Step 6: Final answer
    x = 2,435.86

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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.