Home / 7,640.52-11,453.49-2,442.84

Finding the Fourth Proportional to 7,640.52, 11,453.49 and 2,442.84

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Solution

The fourth proportional to 7,640.52, 11,453.49 and 2,442.84 is: 3,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.52 : 11,453.49 = 2,442.84 : x
  2. Step 2: Convert to fraction form
    7,640.52/11,453.49 = 2,442.84/x
  3. Step 3: Cross multiply
    7,640.52x = 11,453.49 × 2,442.84
  4. Step 4: Simplify right side
    7,640.52x = 27,979,043.51
  5. Step 5: Solve for x
    x = 27,979,043.51/7,640.52
  6. Step 6: Final answer
    x = 3,661.93

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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.