Home / 7,619.99-11,430.21-2,073.31

Finding the Fourth Proportional to 7,619.99, 11,430.21 and 2,073.31

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Solution

The fourth proportional to 7,619.99, 11,430.21 and 2,073.31 is: 3,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.99 : 11,430.21 = 2,073.31 : x
  2. Step 2: Convert to fraction form
    7,619.99/11,430.21 = 2,073.31/x
  3. Step 3: Cross multiply
    7,619.99x = 11,430.21 × 2,073.31
  4. Step 4: Simplify right side
    7,619.99x = 23,698,368.70
  5. Step 5: Solve for x
    x = 23,698,368.70/7,619.99
  6. Step 6: Final answer
    x = 3,110.03

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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.