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Finding the Fourth Proportional to 8,266.40, 12,402.30 and 2,719.52

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Solution

The fourth proportional to 8,266.40, 12,402.30 and 2,719.52 is: 4,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.40 : 12,402.30 = 2,719.52 : x
  2. Step 2: Convert to fraction form
    8,266.40/12,402.30 = 2,719.52/x
  3. Step 3: Cross multiply
    8,266.40x = 12,402.30 × 2,719.52
  4. Step 4: Simplify right side
    8,266.40x = 33,728,302.90
  5. Step 5: Solve for x
    x = 33,728,302.90/8,266.40
  6. Step 6: Final answer
    x = 4,080.17

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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.