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Finding the Fourth Proportional to 8,656.74, 11,945.58 and 5,298.12

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Solution

The fourth proportional to 8,656.74, 11,945.58 and 5,298.12 is: 7,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.74 : 11,945.58 = 5,298.12 : x
  2. Step 2: Convert to fraction form
    8,656.74/11,945.58 = 5,298.12/x
  3. Step 3: Cross multiply
    8,656.74x = 11,945.58 × 5,298.12
  4. Step 4: Simplify right side
    8,656.74x = 63,289,116.31
  5. Step 5: Solve for x
    x = 63,289,116.31/8,656.74
  6. Step 6: Final answer
    x = 7,310.96

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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.