Home / 8,764.98-13,148.62-3,218.39

Finding the Fourth Proportional to 8,764.98, 13,148.62 and 3,218.39

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Solution

The fourth proportional to 8,764.98, 13,148.62 and 3,218.39 is: 4,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.98 : 13,148.62 = 3,218.39 : x
  2. Step 2: Convert to fraction form
    8,764.98/13,148.62 = 3,218.39/x
  3. Step 3: Cross multiply
    8,764.98x = 13,148.62 × 3,218.39
  4. Step 4: Simplify right side
    8,764.98x = 42,317,380.74
  5. Step 5: Solve for x
    x = 42,317,380.74/8,764.98
  6. Step 6: Final answer
    x = 4,828.01

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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.