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Finding the Fourth Proportional to 8,365, 11,544.08 and 4,639

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Solution

The fourth proportional to 8,365, 11,544.08 and 4,639 is: 6,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365 : 11,544.08 = 4,639 : x
  2. Step 2: Convert to fraction form
    8,365/11,544.08 = 4,639/x
  3. Step 3: Cross multiply
    8,365x = 11,544.08 × 4,639
  4. Step 4: Simplify right side
    8,365x = 53,552,987.12
  5. Step 5: Solve for x
    x = 53,552,987.12/8,365
  6. Step 6: Final answer
    x = 6,402.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.