Home / 9,219.16-13,828.38-2,645.34

Finding the Fourth Proportional to 9,219.16, 13,828.38 and 2,645.34

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Solution

The fourth proportional to 9,219.16, 13,828.38 and 2,645.34 is: 3,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.16 : 13,828.38 = 2,645.34 : x
  2. Step 2: Convert to fraction form
    9,219.16/13,828.38 = 2,645.34/x
  3. Step 3: Cross multiply
    9,219.16x = 13,828.38 × 2,645.34
  4. Step 4: Simplify right side
    9,219.16x = 36,580,766.75
  5. Step 5: Solve for x
    x = 36,580,766.75/9,219.16
  6. Step 6: Final answer
    x = 3,967.91

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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.