Home / 8,364.29-12,548.05-3,173.81

Finding the Fourth Proportional to 8,364.29, 12,548.05 and 3,173.81

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Solution

The fourth proportional to 8,364.29, 12,548.05 and 3,173.81 is: 4,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.29 : 12,548.05 = 3,173.81 : x
  2. Step 2: Convert to fraction form
    8,364.29/12,548.05 = 3,173.81/x
  3. Step 3: Cross multiply
    8,364.29x = 12,548.05 × 3,173.81
  4. Step 4: Simplify right side
    8,364.29x = 39,825,055.90
  5. Step 5: Solve for x
    x = 39,825,055.90/8,364.29
  6. Step 6: Final answer
    x = 4,761.32

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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.