Home / 4,979.07-7,464.29-2,922.75

Finding the Fourth Proportional to 4,979.07, 7,464.29 and 2,922.75

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Solution

The fourth proportional to 4,979.07, 7,464.29 and 2,922.75 is: 4,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.07 : 7,464.29 = 2,922.75 : x
  2. Step 2: Convert to fraction form
    4,979.07/7,464.29 = 2,922.75/x
  3. Step 3: Cross multiply
    4,979.07x = 7,464.29 × 2,922.75
  4. Step 4: Simplify right side
    4,979.07x = 21,816,238.98
  5. Step 5: Solve for x
    x = 21,816,238.98/4,979.07
  6. Step 6: Final answer
    x = 4,381.59

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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.