Home / 10,619.48-15,928.00-2,828.90

Finding the Fourth Proportional to 10,619.48, 15,928.00 and 2,828.90

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Solution

The fourth proportional to 10,619.48, 15,928.00 and 2,828.90 is: 4,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.48 : 15,928.00 = 2,828.90 : x
  2. Step 2: Convert to fraction form
    10,619.48/15,928.00 = 2,828.90/x
  3. Step 3: Cross multiply
    10,619.48x = 15,928.00 × 2,828.90
  4. Step 4: Simplify right side
    10,619.48x = 45,058,751.95
  5. Step 5: Solve for x
    x = 45,058,751.95/10,619.48
  6. Step 6: Final answer
    x = 4,243.03

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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.