Home / 5,825.60-8,730.56-3,189.14

Finding the Fourth Proportional to 5,825.60, 8,730.56 and 3,189.14

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Solution

The fourth proportional to 5,825.60, 8,730.56 and 3,189.14 is: 4,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.60 : 8,730.56 = 3,189.14 : x
  2. Step 2: Convert to fraction form
    5,825.60/8,730.56 = 3,189.14/x
  3. Step 3: Cross multiply
    5,825.60x = 8,730.56 × 3,189.14
  4. Step 4: Simplify right side
    5,825.60x = 27,842,978.12
  5. Step 5: Solve for x
    x = 27,842,978.12/5,825.60
  6. Step 6: Final answer
    x = 4,779.42

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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.