Home / 5,164.12-7,126.86-3,039.76

Finding the Fourth Proportional to 5,164.12, 7,126.86 and 3,039.76

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Solution

The fourth proportional to 5,164.12, 7,126.86 and 3,039.76 is: 4,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.12 : 7,126.86 = 3,039.76 : x
  2. Step 2: Convert to fraction form
    5,164.12/7,126.86 = 3,039.76/x
  3. Step 3: Cross multiply
    5,164.12x = 7,126.86 × 3,039.76
  4. Step 4: Simplify right side
    5,164.12x = 21,663,943.95
  5. Step 5: Solve for x
    x = 21,663,943.95/5,164.12
  6. Step 6: Final answer
    x = 4,195.09

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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.