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Finding the Fourth Proportional to 6,433.38, 8,883.09 and 4,938.93

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Solution

The fourth proportional to 6,433.38, 8,883.09 and 4,938.93 is: 6,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.38 : 8,883.09 = 4,938.93 : x
  2. Step 2: Convert to fraction form
    6,433.38/8,883.09 = 4,938.93/x
  3. Step 3: Cross multiply
    6,433.38x = 8,883.09 × 4,938.93
  4. Step 4: Simplify right side
    6,433.38x = 43,872,959.69
  5. Step 5: Solve for x
    x = 43,872,959.69/6,433.38
  6. Step 6: Final answer
    x = 6,819.58

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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.