Home / 5,429.97-8,137.59-2,306.06

Finding the Fourth Proportional to 5,429.97, 8,137.59 and 2,306.06

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Solution

The fourth proportional to 5,429.97, 8,137.59 and 2,306.06 is: 3,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.97 : 8,137.59 = 2,306.06 : x
  2. Step 2: Convert to fraction form
    5,429.97/8,137.59 = 2,306.06/x
  3. Step 3: Cross multiply
    5,429.97x = 8,137.59 × 2,306.06
  4. Step 4: Simplify right side
    5,429.97x = 18,765,770.80
  5. Step 5: Solve for x
    x = 18,765,770.80/5,429.97
  6. Step 6: Final answer
    x = 3,455.96

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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.