Home / 7,916.37-11,861.43-5,571.48

Finding the Fourth Proportional to 7,916.37, 11,861.43 and 5,571.48

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Solution

The fourth proportional to 7,916.37, 11,861.43 and 5,571.48 is: 8,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.37 : 11,861.43 = 5,571.48 : x
  2. Step 2: Convert to fraction form
    7,916.37/11,861.43 = 5,571.48/x
  3. Step 3: Cross multiply
    7,916.37x = 11,861.43 × 5,571.48
  4. Step 4: Simplify right side
    7,916.37x = 66,085,720.02
  5. Step 5: Solve for x
    x = 66,085,720.02/7,916.37
  6. Step 6: Final answer
    x = 8,347.98

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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.