Home / 7,374.20-11,062.91-2,757.20

Finding the Fourth Proportional to 7,374.20, 11,062.91 and 2,757.20

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Solution

The fourth proportional to 7,374.20, 11,062.91 and 2,757.20 is: 4,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.20 : 11,062.91 = 2,757.20 : x
  2. Step 2: Convert to fraction form
    7,374.20/11,062.91 = 2,757.20/x
  3. Step 3: Cross multiply
    7,374.20x = 11,062.91 × 2,757.20
  4. Step 4: Simplify right side
    7,374.20x = 30,502,586.35
  5. Step 5: Solve for x
    x = 30,502,586.35/7,374.20
  6. Step 6: Final answer
    x = 4,136.40

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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.