Home / 3,987.35-6,010.90-3,719.75

Finding the Fourth Proportional to 3,987.35, 6,010.90 and 3,719.75

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Solution

The fourth proportional to 3,987.35, 6,010.90 and 3,719.75 is: 5,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987.35 : 6,010.90 = 3,719.75 : x
  2. Step 2: Convert to fraction form
    3,987.35/6,010.90 = 3,719.75/x
  3. Step 3: Cross multiply
    3,987.35x = 6,010.90 × 3,719.75
  4. Step 4: Simplify right side
    3,987.35x = 22,358,996.62
  5. Step 5: Solve for x
    x = 22,358,996.62/3,987.35
  6. Step 6: Final answer
    x = 5,607.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.