Home / 8,945.78-13,407.74-3,095.56

Finding the Fourth Proportional to 8,945.78, 13,407.74 and 3,095.56

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Solution

The fourth proportional to 8,945.78, 13,407.74 and 3,095.56 is: 4,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.78 : 13,407.74 = 3,095.56 : x
  2. Step 2: Convert to fraction form
    8,945.78/13,407.74 = 3,095.56/x
  3. Step 3: Cross multiply
    8,945.78x = 13,407.74 × 3,095.56
  4. Step 4: Simplify right side
    8,945.78x = 41,504,414.64
  5. Step 5: Solve for x
    x = 41,504,414.64/8,945.78
  6. Step 6: Final answer
    x = 4,639.55

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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.