Home / 8,811.98-13,219.86-2,968.50

Finding the Fourth Proportional to 8,811.98, 13,219.86 and 2,968.50

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Solution

The fourth proportional to 8,811.98, 13,219.86 and 2,968.50 is: 4,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.98 : 13,219.86 = 2,968.50 : x
  2. Step 2: Convert to fraction form
    8,811.98/13,219.86 = 2,968.50/x
  3. Step 3: Cross multiply
    8,811.98x = 13,219.86 × 2,968.50
  4. Step 4: Simplify right side
    8,811.98x = 39,243,154.41
  5. Step 5: Solve for x
    x = 39,243,154.41/8,811.98
  6. Step 6: Final answer
    x = 4,453.39

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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.