Home / 7,946.52-11,915.99-2,945.46

Finding the Fourth Proportional to 7,946.52, 11,915.99 and 2,945.46

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Solution

The fourth proportional to 7,946.52, 11,915.99 and 2,945.46 is: 4,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.52 : 11,915.99 = 2,945.46 : x
  2. Step 2: Convert to fraction form
    7,946.52/11,915.99 = 2,945.46/x
  3. Step 3: Cross multiply
    7,946.52x = 11,915.99 × 2,945.46
  4. Step 4: Simplify right side
    7,946.52x = 35,098,071.91
  5. Step 5: Solve for x
    x = 35,098,071.91/7,946.52
  6. Step 6: Final answer
    x = 4,416.79

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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.