Home / 7,948.12-11,923.48-3,266.88

Finding the Fourth Proportional to 7,948.12, 11,923.48 and 3,266.88

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Solution

The fourth proportional to 7,948.12, 11,923.48 and 3,266.88 is: 4,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.12 : 11,923.48 = 3,266.88 : x
  2. Step 2: Convert to fraction form
    7,948.12/11,923.48 = 3,266.88/x
  3. Step 3: Cross multiply
    7,948.12x = 11,923.48 × 3,266.88
  4. Step 4: Simplify right side
    7,948.12x = 38,952,578.34
  5. Step 5: Solve for x
    x = 38,952,578.34/7,948.12
  6. Step 6: Final answer
    x = 4,900.85

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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.