Home / 7,486.52-11,224.73-2,980.58

Finding the Fourth Proportional to 7,486.52, 11,224.73 and 2,980.58

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Solution

The fourth proportional to 7,486.52, 11,224.73 and 2,980.58 is: 4,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.52 : 11,224.73 = 2,980.58 : x
  2. Step 2: Convert to fraction form
    7,486.52/11,224.73 = 2,980.58/x
  3. Step 3: Cross multiply
    7,486.52x = 11,224.73 × 2,980.58
  4. Step 4: Simplify right side
    7,486.52x = 33,456,134.72
  5. Step 5: Solve for x
    x = 33,456,134.72/7,486.52
  6. Step 6: Final answer
    x = 4,468.85

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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.