Home / 7,554.35-11,319.99-3,169.42

Finding the Fourth Proportional to 7,554.35, 11,319.99 and 3,169.42

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Solution

The fourth proportional to 7,554.35, 11,319.99 and 3,169.42 is: 4,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.35 : 11,319.99 = 3,169.42 : x
  2. Step 2: Convert to fraction form
    7,554.35/11,319.99 = 3,169.42/x
  3. Step 3: Cross multiply
    7,554.35x = 11,319.99 × 3,169.42
  4. Step 4: Simplify right side
    7,554.35x = 35,877,762.52
  5. Step 5: Solve for x
    x = 35,877,762.52/7,554.35
  6. Step 6: Final answer
    x = 4,749.28

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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.