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Finding the Fourth Proportional to 6,383.39, 9,569.40 and 2,486.90

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Solution

The fourth proportional to 6,383.39, 9,569.40 and 2,486.90 is: 3,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.39 : 9,569.40 = 2,486.90 : x
  2. Step 2: Convert to fraction form
    6,383.39/9,569.40 = 2,486.90/x
  3. Step 3: Cross multiply
    6,383.39x = 9,569.40 × 2,486.90
  4. Step 4: Simplify right side
    6,383.39x = 23,798,140.86
  5. Step 5: Solve for x
    x = 23,798,140.86/6,383.39
  6. Step 6: Final answer
    x = 3,728.14

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1.5x scale

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.