Home / 9,212.85-13,818.63-2,287.35

Finding the Fourth Proportional to 9,212.85, 13,818.63 and 2,287.35

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Solution

The fourth proportional to 9,212.85, 13,818.63 and 2,287.35 is: 3,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.85 : 13,818.63 = 2,287.35 : x
  2. Step 2: Convert to fraction form
    9,212.85/13,818.63 = 2,287.35/x
  3. Step 3: Cross multiply
    9,212.85x = 13,818.63 × 2,287.35
  4. Step 4: Simplify right side
    9,212.85x = 31,608,043.33
  5. Step 5: Solve for x
    x = 31,608,043.33/9,212.85
  6. Step 6: Final answer
    x = 3,430.86

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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.