Home / 8,739.68-13,102.27-3,471.44

Finding the Fourth Proportional to 8,739.68, 13,102.27 and 3,471.44

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Solution

The fourth proportional to 8,739.68, 13,102.27 and 3,471.44 is: 5,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.68 : 13,102.27 = 3,471.44 : x
  2. Step 2: Convert to fraction form
    8,739.68/13,102.27 = 3,471.44/x
  3. Step 3: Cross multiply
    8,739.68x = 13,102.27 × 3,471.44
  4. Step 4: Simplify right side
    8,739.68x = 45,483,726.81
  5. Step 5: Solve for x
    x = 45,483,726.81/8,739.68
  6. Step 6: Final answer
    x = 5,204.28

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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.