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Finding the Fourth Proportional to 6,271.88, 8,654.57 and 3,620.14

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Solution

The fourth proportional to 6,271.88, 8,654.57 and 3,620.14 is: 4,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.88 : 8,654.57 = 3,620.14 : x
  2. Step 2: Convert to fraction form
    6,271.88/8,654.57 = 3,620.14/x
  3. Step 3: Cross multiply
    6,271.88x = 8,654.57 × 3,620.14
  4. Step 4: Simplify right side
    6,271.88x = 31,330,787.74
  5. Step 5: Solve for x
    x = 31,330,787.74/6,271.88
  6. Step 6: Final answer
    x = 4,995.44

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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.