Home / 7,944.14-11,916.32-3,784.58

Finding the Fourth Proportional to 7,944.14, 11,916.32 and 3,784.58

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Solution

The fourth proportional to 7,944.14, 11,916.32 and 3,784.58 is: 5,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.14 : 11,916.32 = 3,784.58 : x
  2. Step 2: Convert to fraction form
    7,944.14/11,916.32 = 3,784.58/x
  3. Step 3: Cross multiply
    7,944.14x = 11,916.32 × 3,784.58
  4. Step 4: Simplify right side
    7,944.14x = 45,098,216.23
  5. Step 5: Solve for x
    x = 45,098,216.23/7,944.14
  6. Step 6: Final answer
    x = 5,676.92

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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.