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Finding the Fourth Proportional to 8,288.01, 12,428.37 and 4,391.52

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Solution

The fourth proportional to 8,288.01, 12,428.37 and 4,391.52 is: 6,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.01 : 12,428.37 = 4,391.52 : x
  2. Step 2: Convert to fraction form
    8,288.01/12,428.37 = 4,391.52/x
  3. Step 3: Cross multiply
    8,288.01x = 12,428.37 × 4,391.52
  4. Step 4: Simplify right side
    8,288.01x = 54,579,435.42
  5. Step 5: Solve for x
    x = 54,579,435.42/8,288.01
  6. Step 6: Final answer
    x = 6,585.35

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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.