Home / 4,987.61-7,483.19-2,214.03

Finding the Fourth Proportional to 4,987.61, 7,483.19 and 2,214.03

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Solution

The fourth proportional to 4,987.61, 7,483.19 and 2,214.03 is: 3,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.61 : 7,483.19 = 2,214.03 : x
  2. Step 2: Convert to fraction form
    4,987.61/7,483.19 = 2,214.03/x
  3. Step 3: Cross multiply
    4,987.61x = 7,483.19 × 2,214.03
  4. Step 4: Simplify right side
    4,987.61x = 16,568,024.15
  5. Step 5: Solve for x
    x = 16,568,024.15/4,987.61
  6. Step 6: Final answer
    x = 3,321.83

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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.