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Finding the Fourth Proportional to 8,312.22, 12,461.85 and 7,327.26

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Solution

The fourth proportional to 8,312.22, 12,461.85 and 7,327.26 is: 10,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.22 : 12,461.85 = 7,327.26 : x
  2. Step 2: Convert to fraction form
    8,312.22/12,461.85 = 7,327.26/x
  3. Step 3: Cross multiply
    8,312.22x = 12,461.85 × 7,327.26
  4. Step 4: Simplify right side
    8,312.22x = 91,311,215.03
  5. Step 5: Solve for x
    x = 91,311,215.03/8,312.22
  6. Step 6: Final answer
    x = 10,985.18

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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.