Home / 6,478.62-8,944.79-4,983.90

Finding the Fourth Proportional to 6,478.62, 8,944.79 and 4,983.90

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Solution

The fourth proportional to 6,478.62, 8,944.79 and 4,983.90 is: 6,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.62 : 8,944.79 = 4,983.90 : x
  2. Step 2: Convert to fraction form
    6,478.62/8,944.79 = 4,983.90/x
  3. Step 3: Cross multiply
    6,478.62x = 8,944.79 × 4,983.90
  4. Step 4: Simplify right side
    6,478.62x = 44,579,938.88
  5. Step 5: Solve for x
    x = 44,579,938.88/6,478.62
  6. Step 6: Final answer
    x = 6,881.09

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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.