Home / 7,923.92-11,885.16-2,080.40

Finding the Fourth Proportional to 7,923.92, 11,885.16 and 2,080.40

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Solution

The fourth proportional to 7,923.92, 11,885.16 and 2,080.40 is: 3,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.92 : 11,885.16 = 2,080.40 : x
  2. Step 2: Convert to fraction form
    7,923.92/11,885.16 = 2,080.40/x
  3. Step 3: Cross multiply
    7,923.92x = 11,885.16 × 2,080.40
  4. Step 4: Simplify right side
    7,923.92x = 24,725,886.86
  5. Step 5: Solve for x
    x = 24,725,886.86/7,923.92
  6. Step 6: Final answer
    x = 3,120.41

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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.