Home / 7,942.00-11,917.05-3,502.76

Finding the Fourth Proportional to 7,942.00, 11,917.05 and 3,502.76

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Solution

The fourth proportional to 7,942.00, 11,917.05 and 3,502.76 is: 5,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.00 : 11,917.05 = 3,502.76 : x
  2. Step 2: Convert to fraction form
    7,942.00/11,917.05 = 3,502.76/x
  3. Step 3: Cross multiply
    7,942.00x = 11,917.05 × 3,502.76
  4. Step 4: Simplify right side
    7,942.00x = 41,742,566.06
  5. Step 5: Solve for x
    x = 41,742,566.06/7,942.00
  6. Step 6: Final answer
    x = 5,255.93

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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.