Home / 4,987.30-7,475.11-3,206.09

Finding the Fourth Proportional to 4,987.30, 7,475.11 and 3,206.09

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Solution

The fourth proportional to 4,987.30, 7,475.11 and 3,206.09 is: 4,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.30 : 7,475.11 = 3,206.09 : x
  2. Step 2: Convert to fraction form
    4,987.30/7,475.11 = 3,206.09/x
  3. Step 3: Cross multiply
    4,987.30x = 7,475.11 × 3,206.09
  4. Step 4: Simplify right side
    4,987.30x = 23,965,856.73
  5. Step 5: Solve for x
    x = 23,965,856.73/4,987.30
  6. Step 6: Final answer
    x = 4,805.38

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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.