Home / 7,942.37-11,915.53-5,606.96

Finding the Fourth Proportional to 7,942.37, 11,915.53 and 5,606.96

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Solution

The fourth proportional to 7,942.37, 11,915.53 and 5,606.96 is: 8,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.37 : 11,915.53 = 5,606.96 : x
  2. Step 2: Convert to fraction form
    7,942.37/11,915.53 = 5,606.96/x
  3. Step 3: Cross multiply
    7,942.37x = 11,915.53 × 5,606.96
  4. Step 4: Simplify right side
    7,942.37x = 66,809,826.49
  5. Step 5: Solve for x
    x = 66,809,826.49/7,942.37
  6. Step 6: Final answer
    x = 8,411.83

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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.