Home / 8,765.76-13,166.34-5,262.44

Finding the Fourth Proportional to 8,765.76, 13,166.34 and 5,262.44

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Solution

The fourth proportional to 8,765.76, 13,166.34 and 5,262.44 is: 7,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.76 : 13,166.34 = 5,262.44 : x
  2. Step 2: Convert to fraction form
    8,765.76/13,166.34 = 5,262.44/x
  3. Step 3: Cross multiply
    8,765.76x = 13,166.34 × 5,262.44
  4. Step 4: Simplify right side
    8,765.76x = 69,287,008.44
  5. Step 5: Solve for x
    x = 69,287,008.44/8,765.76
  6. Step 6: Final answer
    x = 7,904.28

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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.