Home / 4,920.49-7,382.90-2,579.93

Finding the Fourth Proportional to 4,920.49, 7,382.90 and 2,579.93

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Solution

The fourth proportional to 4,920.49, 7,382.90 and 2,579.93 is: 3,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.49 : 7,382.90 = 2,579.93 : x
  2. Step 2: Convert to fraction form
    4,920.49/7,382.90 = 2,579.93/x
  3. Step 3: Cross multiply
    4,920.49x = 7,382.90 × 2,579.93
  4. Step 4: Simplify right side
    4,920.49x = 19,047,365.20
  5. Step 5: Solve for x
    x = 19,047,365.20/4,920.49
  6. Step 6: Final answer
    x = 3,871.03

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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.