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Finding the Fourth Proportional to 6,283.88, 9,383.81 and 5,919.40

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Solution

The fourth proportional to 6,283.88, 9,383.81 and 5,919.40 is: 8,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.88 : 9,383.81 = 5,919.40 : x
  2. Step 2: Convert to fraction form
    6,283.88/9,383.81 = 5,919.40/x
  3. Step 3: Cross multiply
    6,283.88x = 9,383.81 × 5,919.40
  4. Step 4: Simplify right side
    6,283.88x = 55,546,524.91
  5. Step 5: Solve for x
    x = 55,546,524.91/6,283.88
  6. Step 6: Final answer
    x = 8,839.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.