Home / 4,987.90-7,481.57-1,524.88

Finding the Fourth Proportional to 4,987.90, 7,481.57 and 1,524.88

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Solution

The fourth proportional to 4,987.90, 7,481.57 and 1,524.88 is: 2,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.90 : 7,481.57 = 1,524.88 : x
  2. Step 2: Convert to fraction form
    4,987.90/7,481.57 = 1,524.88/x
  3. Step 3: Cross multiply
    4,987.90x = 7,481.57 × 1,524.88
  4. Step 4: Simplify right side
    4,987.90x = 11,408,496.46
  5. Step 5: Solve for x
    x = 11,408,496.46/4,987.90
  6. Step 6: Final answer
    x = 2,287.23

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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.