Home / 6,140.30-8,473.68-3,487.73

Finding the Fourth Proportional to 6,140.30, 8,473.68 and 3,487.73

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Solution

The fourth proportional to 6,140.30, 8,473.68 and 3,487.73 is: 4,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.30 : 8,473.68 = 3,487.73 : x
  2. Step 2: Convert to fraction form
    6,140.30/8,473.68 = 3,487.73/x
  3. Step 3: Cross multiply
    6,140.30x = 8,473.68 × 3,487.73
  4. Step 4: Simplify right side
    6,140.30x = 29,553,907.95
  5. Step 5: Solve for x
    x = 29,553,907.95/6,140.30
  6. Step 6: Final answer
    x = 4,813.10

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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.