Home / 4,919.54-7,379.30-1,456.52

Finding the Fourth Proportional to 4,919.54, 7,379.30 and 1,456.52

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Solution

The fourth proportional to 4,919.54, 7,379.30 and 1,456.52 is: 2,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.54 : 7,379.30 = 1,456.52 : x
  2. Step 2: Convert to fraction form
    4,919.54/7,379.30 = 1,456.52/x
  3. Step 3: Cross multiply
    4,919.54x = 7,379.30 × 1,456.52
  4. Step 4: Simplify right side
    4,919.54x = 10,748,098.04
  5. Step 5: Solve for x
    x = 10,748,098.04/4,919.54
  6. Step 6: Final answer
    x = 2,184.78

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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.