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Finding the Fourth Proportional to 7,420.84, 11,132.52 and 2,492.08

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Solution

The fourth proportional to 7,420.84, 11,132.52 and 2,492.08 is: 3,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.84 : 11,132.52 = 2,492.08 : x
  2. Step 2: Convert to fraction form
    7,420.84/11,132.52 = 2,492.08/x
  3. Step 3: Cross multiply
    7,420.84x = 11,132.52 × 2,492.08
  4. Step 4: Simplify right side
    7,420.84x = 27,743,130.44
  5. Step 5: Solve for x
    x = 27,743,130.44/7,420.84
  6. Step 6: Final answer
    x = 3,738.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.