Home / 7,942.16-11,922.60-4,657.76

Finding the Fourth Proportional to 7,942.16, 11,922.60 and 4,657.76

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Solution

The fourth proportional to 7,942.16, 11,922.60 and 4,657.76 is: 6,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.16 : 11,922.60 = 4,657.76 : x
  2. Step 2: Convert to fraction form
    7,942.16/11,922.60 = 4,657.76/x
  3. Step 3: Cross multiply
    7,942.16x = 11,922.60 × 4,657.76
  4. Step 4: Simplify right side
    7,942.16x = 55,532,609.38
  5. Step 5: Solve for x
    x = 55,532,609.38/7,942.16
  6. Step 6: Final answer
    x = 6,992.13

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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.