Home / 8,739.36-13,100.40-4,060.80

Finding the Fourth Proportional to 8,739.36, 13,100.40 and 4,060.80

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Solution

The fourth proportional to 8,739.36, 13,100.40 and 4,060.80 is: 6,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.36 : 13,100.40 = 4,060.80 : x
  2. Step 2: Convert to fraction form
    8,739.36/13,100.40 = 4,060.80/x
  3. Step 3: Cross multiply
    8,739.36x = 13,100.40 × 4,060.80
  4. Step 4: Simplify right side
    8,739.36x = 53,198,104.32
  5. Step 5: Solve for x
    x = 53,198,104.32/8,739.36
  6. Step 6: Final answer
    x = 6,087.19

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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.