Home / 9,403.20-14,106.24-2,828.70

Finding the Fourth Proportional to 9,403.20, 14,106.24 and 2,828.70

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Solution

The fourth proportional to 9,403.20, 14,106.24 and 2,828.70 is: 4,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.20 : 14,106.24 = 2,828.70 : x
  2. Step 2: Convert to fraction form
    9,403.20/14,106.24 = 2,828.70/x
  3. Step 3: Cross multiply
    9,403.20x = 14,106.24 × 2,828.70
  4. Step 4: Simplify right side
    9,403.20x = 39,902,321.09
  5. Step 5: Solve for x
    x = 39,902,321.09/9,403.20
  6. Step 6: Final answer
    x = 4,243.48

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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.