Home / 7,987.53-11,974.35-3,304.62

Finding the Fourth Proportional to 7,987.53, 11,974.35 and 3,304.62

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Solution

The fourth proportional to 7,987.53, 11,974.35 and 3,304.62 is: 4,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.53 : 11,974.35 = 3,304.62 : x
  2. Step 2: Convert to fraction form
    7,987.53/11,974.35 = 3,304.62/x
  3. Step 3: Cross multiply
    7,987.53x = 11,974.35 × 3,304.62
  4. Step 4: Simplify right side
    7,987.53x = 39,570,676.50
  5. Step 5: Solve for x
    x = 39,570,676.50/7,987.53
  6. Step 6: Final answer
    x = 4,954.06

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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.