Home / 4,088.82-6,137.07-2,142.39

Finding the Fourth Proportional to 4,088.82, 6,137.07 and 2,142.39

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Solution

The fourth proportional to 4,088.82, 6,137.07 and 2,142.39 is: 3,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.82 : 6,137.07 = 2,142.39 : x
  2. Step 2: Convert to fraction form
    4,088.82/6,137.07 = 2,142.39/x
  3. Step 3: Cross multiply
    4,088.82x = 6,137.07 × 2,142.39
  4. Step 4: Simplify right side
    4,088.82x = 13,147,997.40
  5. Step 5: Solve for x
    x = 13,147,997.40/4,088.82
  6. Step 6: Final answer
    x = 3,215.60

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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.