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Finding the Fourth Proportional to 8,647.01, 11,920.83 and 7,308.17

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Solution

The fourth proportional to 8,647.01, 11,920.83 and 7,308.17 is: 10,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.01 : 11,920.83 = 7,308.17 : x
  2. Step 2: Convert to fraction form
    8,647.01/11,920.83 = 7,308.17/x
  3. Step 3: Cross multiply
    8,647.01x = 11,920.83 × 7,308.17
  4. Step 4: Simplify right side
    8,647.01x = 87,119,392.58
  5. Step 5: Solve for x
    x = 87,119,392.58/8,647.01
  6. Step 6: Final answer
    x = 10,075.09

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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.