Home / 7,558.45-11,342.84-2,628.08

Finding the Fourth Proportional to 7,558.45, 11,342.84 and 2,628.08

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Solution

The fourth proportional to 7,558.45, 11,342.84 and 2,628.08 is: 3,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.45 : 11,342.84 = 2,628.08 : x
  2. Step 2: Convert to fraction form
    7,558.45/11,342.84 = 2,628.08/x
  3. Step 3: Cross multiply
    7,558.45x = 11,342.84 × 2,628.08
  4. Step 4: Simplify right side
    7,558.45x = 29,809,863.63
  5. Step 5: Solve for x
    x = 29,809,863.63/7,558.45
  6. Step 6: Final answer
    x = 3,943.91

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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.