Home / 9,365.10-14,048.37-2,790.78

Finding the Fourth Proportional to 9,365.10, 14,048.37 and 2,790.78

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Solution

The fourth proportional to 9,365.10, 14,048.37 and 2,790.78 is: 4,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.10 : 14,048.37 = 2,790.78 : x
  2. Step 2: Convert to fraction form
    9,365.10/14,048.37 = 2,790.78/x
  3. Step 3: Cross multiply
    9,365.10x = 14,048.37 × 2,790.78
  4. Step 4: Simplify right side
    9,365.10x = 39,205,910.03
  5. Step 5: Solve for x
    x = 39,205,910.03/9,365.10
  6. Step 6: Final answer
    x = 4,186.38

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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.