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Finding the Fourth Proportional to 8,501.40, 12,752.10 and 5,736.60

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Solution

The fourth proportional to 8,501.40, 12,752.10 and 5,736.60 is: 8,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.40 : 12,752.10 = 5,736.60 : x
  2. Step 2: Convert to fraction form
    8,501.40/12,752.10 = 5,736.60/x
  3. Step 3: Cross multiply
    8,501.40x = 12,752.10 × 5,736.60
  4. Step 4: Simplify right side
    8,501.40x = 73,153,696.86
  5. Step 5: Solve for x
    x = 73,153,696.86/8,501.40
  6. Step 6: Final answer
    x = 8,604.90

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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.