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Finding the Fourth Proportional to 8,264.92, 12,420.08 and 4,372.08

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Solution

The fourth proportional to 8,264.92, 12,420.08 and 4,372.08 is: 6,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.92 : 12,420.08 = 4,372.08 : x
  2. Step 2: Convert to fraction form
    8,264.92/12,420.08 = 4,372.08/x
  3. Step 3: Cross multiply
    8,264.92x = 12,420.08 × 4,372.08
  4. Step 4: Simplify right side
    8,264.92x = 54,301,583.37
  5. Step 5: Solve for x
    x = 54,301,583.37/8,264.92
  6. Step 6: Final answer
    x = 6,570.13

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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.