Home / 4,882.05-7,322.40-1,960.38

Finding the Fourth Proportional to 4,882.05, 7,322.40 and 1,960.38

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Solution

The fourth proportional to 4,882.05, 7,322.40 and 1,960.38 is: 2,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.05 : 7,322.40 = 1,960.38 : x
  2. Step 2: Convert to fraction form
    4,882.05/7,322.40 = 1,960.38/x
  3. Step 3: Cross multiply
    4,882.05x = 7,322.40 × 1,960.38
  4. Step 4: Simplify right side
    4,882.05x = 14,354,686.51
  5. Step 5: Solve for x
    x = 14,354,686.51/4,882.05
  6. Step 6: Final answer
    x = 2,940.30

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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.