Home / 6,409.00-9,615.21-2,711.39

Finding the Fourth Proportional to 6,409.00, 9,615.21 and 2,711.39

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Solution

The fourth proportional to 6,409.00, 9,615.21 and 2,711.39 is: 4,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.00 : 9,615.21 = 2,711.39 : x
  2. Step 2: Convert to fraction form
    6,409.00/9,615.21 = 2,711.39/x
  3. Step 3: Cross multiply
    6,409.00x = 9,615.21 × 2,711.39
  4. Step 4: Simplify right side
    6,409.00x = 26,070,526.00
  5. Step 5: Solve for x
    x = 26,070,526.00/6,409.00
  6. Step 6: Final answer
    x = 4,067.80

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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.