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Finding the Fourth Proportional to 8,696.56, 13,045.06 and 2,773.36

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Solution

The fourth proportional to 8,696.56, 13,045.06 and 2,773.36 is: 4,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.56 : 13,045.06 = 2,773.36 : x
  2. Step 2: Convert to fraction form
    8,696.56/13,045.06 = 2,773.36/x
  3. Step 3: Cross multiply
    8,696.56x = 13,045.06 × 2,773.36
  4. Step 4: Simplify right side
    8,696.56x = 36,178,582.38
  5. Step 5: Solve for x
    x = 36,178,582.38/8,696.56
  6. Step 6: Final answer
    x = 4,160.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.