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Finding the Fourth Proportional to 8,153.20, 11,245.59 and 7,483.18

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Solution

The fourth proportional to 8,153.20, 11,245.59 and 7,483.18 is: 10,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.20 : 11,245.59 = 7,483.18 : x
  2. Step 2: Convert to fraction form
    8,153.20/11,245.59 = 7,483.18/x
  3. Step 3: Cross multiply
    8,153.20x = 11,245.59 × 7,483.18
  4. Step 4: Simplify right side
    8,153.20x = 84,152,746.06
  5. Step 5: Solve for x
    x = 84,152,746.06/8,153.20
  6. Step 6: Final answer
    x = 10,321.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.