Home / 5,165.97-7,126.74-3,068.88

Finding the Fourth Proportional to 5,165.97, 7,126.74 and 3,068.88

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Solution

The fourth proportional to 5,165.97, 7,126.74 and 3,068.88 is: 4,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.97 : 7,126.74 = 3,068.88 : x
  2. Step 2: Convert to fraction form
    5,165.97/7,126.74 = 3,068.88/x
  3. Step 3: Cross multiply
    5,165.97x = 7,126.74 × 3,068.88
  4. Step 4: Simplify right side
    5,165.97x = 21,871,109.85
  5. Step 5: Solve for x
    x = 21,871,109.85/5,165.97
  6. Step 6: Final answer
    x = 4,233.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.