Home / 7,938.48-11,914.44-3,261

Finding the Fourth Proportional to 7,938.48, 11,914.44 and 3,261

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Solution

The fourth proportional to 7,938.48, 11,914.44 and 3,261 is: 4,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.48 : 11,914.44 = 3,261 : x
  2. Step 2: Convert to fraction form
    7,938.48/11,914.44 = 3,261/x
  3. Step 3: Cross multiply
    7,938.48x = 11,914.44 × 3,261
  4. Step 4: Simplify right side
    7,938.48x = 38,852,988.84
  5. Step 5: Solve for x
    x = 38,852,988.84/7,938.48
  6. Step 6: Final answer
    x = 4,894.26

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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.