Home / 6,431.54-8,876.48-4,073.90

Finding the Fourth Proportional to 6,431.54, 8,876.48 and 4,073.90

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Solution

The fourth proportional to 6,431.54, 8,876.48 and 4,073.90 is: 5,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.54 : 8,876.48 = 4,073.90 : x
  2. Step 2: Convert to fraction form
    6,431.54/8,876.48 = 4,073.90/x
  3. Step 3: Cross multiply
    6,431.54x = 8,876.48 × 4,073.90
  4. Step 4: Simplify right side
    6,431.54x = 36,161,891.87
  5. Step 5: Solve for x
    x = 36,161,891.87/6,431.54
  6. Step 6: Final answer
    x = 5,622.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.