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Finding the Fourth Proportional to 6,433.70, 9,650.55 and 2,538

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Solution

The fourth proportional to 6,433.70, 9,650.55 and 2,538 is: 3,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.70 : 9,650.55 = 2,538 : x
  2. Step 2: Convert to fraction form
    6,433.70/9,650.55 = 2,538/x
  3. Step 3: Cross multiply
    6,433.70x = 9,650.55 × 2,538
  4. Step 4: Simplify right side
    6,433.70x = 24,493,095.90
  5. Step 5: Solve for x
    x = 24,493,095.90/6,433.70
  6. Step 6: Final answer
    x = 3,807.00

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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.