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Finding the Fourth Proportional to 8,696.77, 12,004.40 and 5,293.78

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Solution

The fourth proportional to 8,696.77, 12,004.40 and 5,293.78 is: 7,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.77 : 12,004.40 = 5,293.78 : x
  2. Step 2: Convert to fraction form
    8,696.77/12,004.40 = 5,293.78/x
  3. Step 3: Cross multiply
    8,696.77x = 12,004.40 × 5,293.78
  4. Step 4: Simplify right side
    8,696.77x = 63,548,652.63
  5. Step 5: Solve for x
    x = 63,548,652.63/8,696.77
  6. Step 6: Final answer
    x = 7,307.16

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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.