Home / 6,351.69-8,765.09-3,519.01

Finding the Fourth Proportional to 6,351.69, 8,765.09 and 3,519.01

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Solution

The fourth proportional to 6,351.69, 8,765.09 and 3,519.01 is: 4,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.69 : 8,765.09 = 3,519.01 : x
  2. Step 2: Convert to fraction form
    6,351.69/8,765.09 = 3,519.01/x
  3. Step 3: Cross multiply
    6,351.69x = 8,765.09 × 3,519.01
  4. Step 4: Simplify right side
    6,351.69x = 30,844,395.54
  5. Step 5: Solve for x
    x = 30,844,395.54/6,351.69
  6. Step 6: Final answer
    x = 4,856.09

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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.