Home / 7,914.33-11,875.55-3,237.80

Finding the Fourth Proportional to 7,914.33, 11,875.55 and 3,237.80

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Solution

The fourth proportional to 7,914.33, 11,875.55 and 3,237.80 is: 4,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.33 : 11,875.55 = 3,237.80 : x
  2. Step 2: Convert to fraction form
    7,914.33/11,875.55 = 3,237.80/x
  3. Step 3: Cross multiply
    7,914.33x = 11,875.55 × 3,237.80
  4. Step 4: Simplify right side
    7,914.33x = 38,450,580.22
  5. Step 5: Solve for x
    x = 38,450,580.22/7,914.33
  6. Step 6: Final answer
    x = 4,858.35

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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.