Home / 9,219.03-13,828.45-2,645.25

Finding the Fourth Proportional to 9,219.03, 13,828.45 and 2,645.25

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Solution

The fourth proportional to 9,219.03, 13,828.45 and 2,645.25 is: 3,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.03 : 13,828.45 = 2,645.25 : x
  2. Step 2: Convert to fraction form
    9,219.03/13,828.45 = 2,645.25/x
  3. Step 3: Cross multiply
    9,219.03x = 13,828.45 × 2,645.25
  4. Step 4: Simplify right side
    9,219.03x = 36,579,707.36
  5. Step 5: Solve for x
    x = 36,579,707.36/9,219.03
  6. Step 6: Final answer
    x = 3,967.85

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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.