Home / 7,944.96-11,916.07-2,102.16

Finding the Fourth Proportional to 7,944.96, 11,916.07 and 2,102.16

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Solution

The fourth proportional to 7,944.96, 11,916.07 and 2,102.16 is: 3,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.96 : 11,916.07 = 2,102.16 : x
  2. Step 2: Convert to fraction form
    7,944.96/11,916.07 = 2,102.16/x
  3. Step 3: Cross multiply
    7,944.96x = 11,916.07 × 2,102.16
  4. Step 4: Simplify right side
    7,944.96x = 25,049,485.71
  5. Step 5: Solve for x
    x = 25,049,485.71/7,944.96
  6. Step 6: Final answer
    x = 3,152.88

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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.