Home / 8,423.57-12,629.40-3,741.04

Finding the Fourth Proportional to 8,423.57, 12,629.40 and 3,741.04

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Solution

The fourth proportional to 8,423.57, 12,629.40 and 3,741.04 is: 5,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.57 : 12,629.40 = 3,741.04 : x
  2. Step 2: Convert to fraction form
    8,423.57/12,629.40 = 3,741.04/x
  3. Step 3: Cross multiply
    8,423.57x = 12,629.40 × 3,741.04
  4. Step 4: Simplify right side
    8,423.57x = 47,247,042.34
  5. Step 5: Solve for x
    x = 47,247,042.34/8,423.57
  6. Step 6: Final answer
    x = 5,608.91

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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.