Home / 7,910.80-11,863.44-2,715.46

Finding the Fourth Proportional to 7,910.80, 11,863.44 and 2,715.46

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Solution

The fourth proportional to 7,910.80, 11,863.44 and 2,715.46 is: 4,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.80 : 11,863.44 = 2,715.46 : x
  2. Step 2: Convert to fraction form
    7,910.80/11,863.44 = 2,715.46/x
  3. Step 3: Cross multiply
    7,910.80x = 11,863.44 × 2,715.46
  4. Step 4: Simplify right side
    7,910.80x = 32,214,696.78
  5. Step 5: Solve for x
    x = 32,214,696.78/7,910.80
  6. Step 6: Final answer
    x = 4,072.24

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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.