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Finding the Fourth Proportional to 8,885.52, 13,329.69 and 5,378.11

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Solution

The fourth proportional to 8,885.52, 13,329.69 and 5,378.11 is: 8,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.52 : 13,329.69 = 5,378.11 : x
  2. Step 2: Convert to fraction form
    8,885.52/13,329.69 = 5,378.11/x
  3. Step 3: Cross multiply
    8,885.52x = 13,329.69 × 5,378.11
  4. Step 4: Simplify right side
    8,885.52x = 71,688,539.09
  5. Step 5: Solve for x
    x = 71,688,539.09/8,885.52
  6. Step 6: Final answer
    x = 8,068.02

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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.