Home / 5,430.98-8,144.35-2,619.27

Finding the Fourth Proportional to 5,430.98, 8,144.35 and 2,619.27

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Solution

The fourth proportional to 5,430.98, 8,144.35 and 2,619.27 is: 3,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.98 : 8,144.35 = 2,619.27 : x
  2. Step 2: Convert to fraction form
    5,430.98/8,144.35 = 2,619.27/x
  3. Step 3: Cross multiply
    5,430.98x = 8,144.35 × 2,619.27
  4. Step 4: Simplify right side
    5,430.98x = 21,332,245.08
  5. Step 5: Solve for x
    x = 21,332,245.08/5,430.98
  6. Step 6: Final answer
    x = 3,927.88

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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.