Home / 6,965.97-10,449.87-3,679.19

Finding the Fourth Proportional to 6,965.97, 10,449.87 and 3,679.19

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Solution

The fourth proportional to 6,965.97, 10,449.87 and 3,679.19 is: 5,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.97 : 10,449.87 = 3,679.19 : x
  2. Step 2: Convert to fraction form
    6,965.97/10,449.87 = 3,679.19/x
  3. Step 3: Cross multiply
    6,965.97x = 10,449.87 × 3,679.19
  4. Step 4: Simplify right side
    6,965.97x = 38,447,038.81
  5. Step 5: Solve for x
    x = 38,447,038.81/6,965.97
  6. Step 6: Final answer
    x = 5,519.27

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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.