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Finding the Fourth Proportional to 8,765.51, 13,150.26 and 2,525.57

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Solution

The fourth proportional to 8,765.51, 13,150.26 and 2,525.57 is: 3,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.51 : 13,150.26 = 2,525.57 : x
  2. Step 2: Convert to fraction form
    8,765.51/13,150.26 = 2,525.57/x
  3. Step 3: Cross multiply
    8,765.51x = 13,150.26 × 2,525.57
  4. Step 4: Simplify right side
    8,765.51x = 33,211,836.40
  5. Step 5: Solve for x
    x = 33,211,836.40/8,765.51
  6. Step 6: Final answer
    x = 3,788.92

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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.