Home / 7,627.77-11,441.79-2,081.70

Finding the Fourth Proportional to 7,627.77, 11,441.79 and 2,081.70

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Solution

The fourth proportional to 7,627.77, 11,441.79 and 2,081.70 is: 3,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.77 : 11,441.79 = 2,081.70 : x
  2. Step 2: Convert to fraction form
    7,627.77/11,441.79 = 2,081.70/x
  3. Step 3: Cross multiply
    7,627.77x = 11,441.79 × 2,081.70
  4. Step 4: Simplify right side
    7,627.77x = 23,818,374.24
  5. Step 5: Solve for x
    x = 23,818,374.24/7,627.77
  6. Step 6: Final answer
    x = 3,122.59

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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.