Home / 4,431.24-6,646.62-1,353

Finding the Fourth Proportional to 4,431.24, 6,646.62 and 1,353

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Solution

The fourth proportional to 4,431.24, 6,646.62 and 1,353 is: 2,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.24 : 6,646.62 = 1,353 : x
  2. Step 2: Convert to fraction form
    4,431.24/6,646.62 = 1,353/x
  3. Step 3: Cross multiply
    4,431.24x = 6,646.62 × 1,353
  4. Step 4: Simplify right side
    4,431.24x = 8,992,876.86
  5. Step 5: Solve for x
    x = 8,992,876.86/4,431.24
  6. Step 6: Final answer
    x = 2,029.43

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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.