Home / 8,729.01-13,101.68-5,809.37

Finding the Fourth Proportional to 8,729.01, 13,101.68 and 5,809.37

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Solution

The fourth proportional to 8,729.01, 13,101.68 and 5,809.37 is: 8,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.01 : 13,101.68 = 5,809.37 : x
  2. Step 2: Convert to fraction form
    8,729.01/13,101.68 = 5,809.37/x
  3. Step 3: Cross multiply
    8,729.01x = 13,101.68 × 5,809.37
  4. Step 4: Simplify right side
    8,729.01x = 76,112,455.76
  5. Step 5: Solve for x
    x = 76,112,455.76/8,729.01
  6. Step 6: Final answer
    x = 8,719.48

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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.