Home / 7,946.25-11,915.49-2,398.56

Finding the Fourth Proportional to 7,946.25, 11,915.49 and 2,398.56

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Solution

The fourth proportional to 7,946.25, 11,915.49 and 2,398.56 is: 3,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.25 : 11,915.49 = 2,398.56 : x
  2. Step 2: Convert to fraction form
    7,946.25/11,915.49 = 2,398.56/x
  3. Step 3: Cross multiply
    7,946.25x = 11,915.49 × 2,398.56
  4. Step 4: Simplify right side
    7,946.25x = 28,580,017.69
  5. Step 5: Solve for x
    x = 28,580,017.69/7,946.25
  6. Step 6: Final answer
    x = 3,596.67

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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.