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Finding the Fourth Proportional to 8,298.45, 11,451.65 and 4,521.69

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Solution

The fourth proportional to 8,298.45, 11,451.65 and 4,521.69 is: 6,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.45 : 11,451.65 = 4,521.69 : x
  2. Step 2: Convert to fraction form
    8,298.45/11,451.65 = 4,521.69/x
  3. Step 3: Cross multiply
    8,298.45x = 11,451.65 × 4,521.69
  4. Step 4: Simplify right side
    8,298.45x = 51,780,788.68
  5. Step 5: Solve for x
    x = 51,780,788.68/8,298.45
  6. Step 6: Final answer
    x = 6,239.81

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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.