Home / 8,423.44-12,629.40-4,523.92

Finding the Fourth Proportional to 8,423.44, 12,629.40 and 4,523.92

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Solution

The fourth proportional to 8,423.44, 12,629.40 and 4,523.92 is: 6,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.44 : 12,629.40 = 4,523.92 : x
  2. Step 2: Convert to fraction form
    8,423.44/12,629.40 = 4,523.92/x
  3. Step 3: Cross multiply
    8,423.44x = 12,629.40 × 4,523.92
  4. Step 4: Simplify right side
    8,423.44x = 57,134,395.25
  5. Step 5: Solve for x
    x = 57,134,395.25/8,423.44
  6. Step 6: Final answer
    x = 6,782.79

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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.