Home / 7,833.08-11,749.62-3,940.76

Finding the Fourth Proportional to 7,833.08, 11,749.62 and 3,940.76

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Solution

The fourth proportional to 7,833.08, 11,749.62 and 3,940.76 is: 5,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.08 : 11,749.62 = 3,940.76 : x
  2. Step 2: Convert to fraction form
    7,833.08/11,749.62 = 3,940.76/x
  3. Step 3: Cross multiply
    7,833.08x = 11,749.62 × 3,940.76
  4. Step 4: Simplify right side
    7,833.08x = 46,302,432.51
  5. Step 5: Solve for x
    x = 46,302,432.51/7,833.08
  6. Step 6: Final answer
    x = 5,911.14

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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.