Home / 7,903.85-11,828.36-4,781.97

Finding the Fourth Proportional to 7,903.85, 11,828.36 and 4,781.97

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Solution

The fourth proportional to 7,903.85, 11,828.36 and 4,781.97 is: 7,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.85 : 11,828.36 = 4,781.97 : x
  2. Step 2: Convert to fraction form
    7,903.85/11,828.36 = 4,781.97/x
  3. Step 3: Cross multiply
    7,903.85x = 11,828.36 × 4,781.97
  4. Step 4: Simplify right side
    7,903.85x = 56,562,874.62
  5. Step 5: Solve for x
    x = 56,562,874.62/7,903.85
  6. Step 6: Final answer
    x = 7,156.37

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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.