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Finding the Fourth Proportional to 8,696.99, 12,001.88 and 4,718.12

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Solution

The fourth proportional to 8,696.99, 12,001.88 and 4,718.12 is: 6,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.99 : 12,001.88 = 4,718.12 : x
  2. Step 2: Convert to fraction form
    8,696.99/12,001.88 = 4,718.12/x
  3. Step 3: Cross multiply
    8,696.99x = 12,001.88 × 4,718.12
  4. Step 4: Simplify right side
    8,696.99x = 56,626,261.85
  5. Step 5: Solve for x
    x = 56,626,261.85/8,696.99
  6. Step 6: Final answer
    x = 6,511.02

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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.