Home / 8,429.63-12,640.51-2,504.34

Finding the Fourth Proportional to 8,429.63, 12,640.51 and 2,504.34

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Solution

The fourth proportional to 8,429.63, 12,640.51 and 2,504.34 is: 3,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.63 : 12,640.51 = 2,504.34 : x
  2. Step 2: Convert to fraction form
    8,429.63/12,640.51 = 2,504.34/x
  3. Step 3: Cross multiply
    8,429.63x = 12,640.51 × 2,504.34
  4. Step 4: Simplify right side
    8,429.63x = 31,656,134.81
  5. Step 5: Solve for x
    x = 31,656,134.81/8,429.63
  6. Step 6: Final answer
    x = 3,755.34

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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.