Home / 8,739.56-13,102.08-3,471.32

Finding the Fourth Proportional to 8,739.56, 13,102.08 and 3,471.32

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Solution

The fourth proportional to 8,739.56, 13,102.08 and 3,471.32 is: 5,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.56 : 13,102.08 = 3,471.32 : x
  2. Step 2: Convert to fraction form
    8,739.56/13,102.08 = 3,471.32/x
  3. Step 3: Cross multiply
    8,739.56x = 13,102.08 × 3,471.32
  4. Step 4: Simplify right side
    8,739.56x = 45,481,429.48
  5. Step 5: Solve for x
    x = 45,481,429.48/8,739.56
  6. Step 6: Final answer
    x = 5,204.09

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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.