Home / 7,943.63-11,915.44-3,326.63

Finding the Fourth Proportional to 7,943.63, 11,915.44 and 3,326.63

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Solution

The fourth proportional to 7,943.63, 11,915.44 and 3,326.63 is: 4,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.63 : 11,915.44 = 3,326.63 : x
  2. Step 2: Convert to fraction form
    7,943.63/11,915.44 = 3,326.63/x
  3. Step 3: Cross multiply
    7,943.63x = 11,915.44 × 3,326.63
  4. Step 4: Simplify right side
    7,943.63x = 39,638,192.27
  5. Step 5: Solve for x
    x = 39,638,192.27/7,943.63
  6. Step 6: Final answer
    x = 4,989.94

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1.5x scale

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.