Home / 8,739.27-13,109.31-3,475.35

Finding the Fourth Proportional to 8,739.27, 13,109.31 and 3,475.35

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Solution

The fourth proportional to 8,739.27, 13,109.31 and 3,475.35 is: 5,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.27 : 13,109.31 = 3,475.35 : x
  2. Step 2: Convert to fraction form
    8,739.27/13,109.31 = 3,475.35/x
  3. Step 3: Cross multiply
    8,739.27x = 13,109.31 × 3,475.35
  4. Step 4: Simplify right side
    8,739.27x = 45,559,440.51
  5. Step 5: Solve for x
    x = 45,559,440.51/8,739.27
  6. Step 6: Final answer
    x = 5,213.19

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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.