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Finding the Fourth Proportional to 8,696.94, 13,039.02 and 5,580.45

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Solution

The fourth proportional to 8,696.94, 13,039.02 and 5,580.45 is: 8,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.94 : 13,039.02 = 5,580.45 : x
  2. Step 2: Convert to fraction form
    8,696.94/13,039.02 = 5,580.45/x
  3. Step 3: Cross multiply
    8,696.94x = 13,039.02 × 5,580.45
  4. Step 4: Simplify right side
    8,696.94x = 72,763,599.16
  5. Step 5: Solve for x
    x = 72,763,599.16/8,696.94
  6. Step 6: Final answer
    x = 8,366.57

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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.