Home / 7,634.45-11,449.55-2,702.77

Finding the Fourth Proportional to 7,634.45, 11,449.55 and 2,702.77

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Solution

The fourth proportional to 7,634.45, 11,449.55 and 2,702.77 is: 4,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.45 : 11,449.55 = 2,702.77 : x
  2. Step 2: Convert to fraction form
    7,634.45/11,449.55 = 2,702.77/x
  3. Step 3: Cross multiply
    7,634.45x = 11,449.55 × 2,702.77
  4. Step 4: Simplify right side
    7,634.45x = 30,945,478.39
  5. Step 5: Solve for x
    x = 30,945,478.39/7,634.45
  6. Step 6: Final answer
    x = 4,053.40

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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.