Home / 4,220.48-6,326.40-2,136.62

Finding the Fourth Proportional to 4,220.48, 6,326.40 and 2,136.62

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Solution

The fourth proportional to 4,220.48, 6,326.40 and 2,136.62 is: 3,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.48 : 6,326.40 = 2,136.62 : x
  2. Step 2: Convert to fraction form
    4,220.48/6,326.40 = 2,136.62/x
  3. Step 3: Cross multiply
    4,220.48x = 6,326.40 × 2,136.62
  4. Step 4: Simplify right side
    4,220.48x = 13,517,112.77
  5. Step 5: Solve for x
    x = 13,517,112.77/4,220.48
  6. Step 6: Final answer
    x = 3,202.74

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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.