Home / 9,199.84-13,788.96-4,819.36

Finding the Fourth Proportional to 9,199.84, 13,788.96 and 4,819.36

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Solution

The fourth proportional to 9,199.84, 13,788.96 and 4,819.36 is: 7,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.84 : 13,788.96 = 4,819.36 : x
  2. Step 2: Convert to fraction form
    9,199.84/13,788.96 = 4,819.36/x
  3. Step 3: Cross multiply
    9,199.84x = 13,788.96 × 4,819.36
  4. Step 4: Simplify right side
    9,199.84x = 66,453,962.27
  5. Step 5: Solve for x
    x = 66,453,962.27/9,199.84
  6. Step 6: Final answer
    x = 7,223.38

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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.