Home / 4,066.34-6,103.05-1,987.88

Finding the Fourth Proportional to 4,066.34, 6,103.05 and 1,987.88

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Solution

The fourth proportional to 4,066.34, 6,103.05 and 1,987.88 is: 2,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.34 : 6,103.05 = 1,987.88 : x
  2. Step 2: Convert to fraction form
    4,066.34/6,103.05 = 1,987.88/x
  3. Step 3: Cross multiply
    4,066.34x = 6,103.05 × 1,987.88
  4. Step 4: Simplify right side
    4,066.34x = 12,132,093.06
  5. Step 5: Solve for x
    x = 12,132,093.06/4,066.34
  6. Step 6: Final answer
    x = 2,983.54

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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.