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Finding the Fourth Proportional to 8,677.55, 13,007.01 and 3,749.51

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Solution

The fourth proportional to 8,677.55, 13,007.01 and 3,749.51 is: 5,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.55 : 13,007.01 = 3,749.51 : x
  2. Step 2: Convert to fraction form
    8,677.55/13,007.01 = 3,749.51/x
  3. Step 3: Cross multiply
    8,677.55x = 13,007.01 × 3,749.51
  4. Step 4: Simplify right side
    8,677.55x = 48,769,914.07
  5. Step 5: Solve for x
    x = 48,769,914.07/8,677.55
  6. Step 6: Final answer
    x = 5,620.24

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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.