Home / 8,819.48-13,230.29-3,890.36

Finding the Fourth Proportional to 8,819.48, 13,230.29 and 3,890.36

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Solution

The fourth proportional to 8,819.48, 13,230.29 and 3,890.36 is: 5,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.48 : 13,230.29 = 3,890.36 : x
  2. Step 2: Convert to fraction form
    8,819.48/13,230.29 = 3,890.36/x
  3. Step 3: Cross multiply
    8,819.48x = 13,230.29 × 3,890.36
  4. Step 4: Simplify right side
    8,819.48x = 51,470,534.58
  5. Step 5: Solve for x
    x = 51,470,534.58/8,819.48
  6. Step 6: Final answer
    x = 5,836.01

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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.