Home / 7,639.97-11,462.18-3,944.84

Finding the Fourth Proportional to 7,639.97, 11,462.18 and 3,944.84

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Solution

The fourth proportional to 7,639.97, 11,462.18 and 3,944.84 is: 5,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.97 : 11,462.18 = 3,944.84 : x
  2. Step 2: Convert to fraction form
    7,639.97/11,462.18 = 3,944.84/x
  3. Step 3: Cross multiply
    7,639.97x = 11,462.18 × 3,944.84
  4. Step 4: Simplify right side
    7,639.97x = 45,216,389.12
  5. Step 5: Solve for x
    x = 45,216,389.12/7,639.97
  6. Step 6: Final answer
    x = 5,918.40

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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.