Home / 8,383.16-12,577.61-5,259.39

Finding the Fourth Proportional to 8,383.16, 12,577.61 and 5,259.39

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Solution

The fourth proportional to 8,383.16, 12,577.61 and 5,259.39 is: 7,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.16 : 12,577.61 = 5,259.39 : x
  2. Step 2: Convert to fraction form
    8,383.16/12,577.61 = 5,259.39/x
  3. Step 3: Cross multiply
    8,383.16x = 12,577.61 × 5,259.39
  4. Step 4: Simplify right side
    8,383.16x = 66,150,556.26
  5. Step 5: Solve for x
    x = 66,150,556.26/8,383.16
  6. Step 6: Final answer
    x = 7,890.89

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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.