Home / 4,979.84-7,467.31-2,900.57

Finding the Fourth Proportional to 4,979.84, 7,467.31 and 2,900.57

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Solution

The fourth proportional to 4,979.84, 7,467.31 and 2,900.57 is: 4,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.84 : 7,467.31 = 2,900.57 : x
  2. Step 2: Convert to fraction form
    4,979.84/7,467.31 = 2,900.57/x
  3. Step 3: Cross multiply
    4,979.84x = 7,467.31 × 2,900.57
  4. Step 4: Simplify right side
    4,979.84x = 21,659,410.78
  5. Step 5: Solve for x
    x = 21,659,410.78/4,979.84
  6. Step 6: Final answer
    x = 4,349.42

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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.