Home / 7,450.82-10,286.64-4,935.08

Finding the Fourth Proportional to 7,450.82, 10,286.64 and 4,935.08

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Solution

The fourth proportional to 7,450.82, 10,286.64 and 4,935.08 is: 6,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.82 : 10,286.64 = 4,935.08 : x
  2. Step 2: Convert to fraction form
    7,450.82/10,286.64 = 4,935.08/x
  3. Step 3: Cross multiply
    7,450.82x = 10,286.64 × 4,935.08
  4. Step 4: Simplify right side
    7,450.82x = 50,765,423.99
  5. Step 5: Solve for x
    x = 50,765,423.99/7,450.82
  6. Step 6: Final answer
    x = 6,813.40

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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.