Home / 7,001.88-10,502.44-2,619

Finding the Fourth Proportional to 7,001.88, 10,502.44 and 2,619

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Solution

The fourth proportional to 7,001.88, 10,502.44 and 2,619 is: 3,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.88 : 10,502.44 = 2,619 : x
  2. Step 2: Convert to fraction form
    7,001.88/10,502.44 = 2,619/x
  3. Step 3: Cross multiply
    7,001.88x = 10,502.44 × 2,619
  4. Step 4: Simplify right side
    7,001.88x = 27,505,890.36
  5. Step 5: Solve for x
    x = 27,505,890.36/7,001.88
  6. Step 6: Final answer
    x = 3,928.36

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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.