Home / 5,054.40-7,579.92-2,455.68

Finding the Fourth Proportional to 5,054.40, 7,579.92 and 2,455.68

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Solution

The fourth proportional to 5,054.40, 7,579.92 and 2,455.68 is: 3,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.40 : 7,579.92 = 2,455.68 : x
  2. Step 2: Convert to fraction form
    5,054.40/7,579.92 = 2,455.68/x
  3. Step 3: Cross multiply
    5,054.40x = 7,579.92 × 2,455.68
  4. Step 4: Simplify right side
    5,054.40x = 18,613,857.95
  5. Step 5: Solve for x
    x = 18,613,857.95/5,054.40
  6. Step 6: Final answer
    x = 3,682.70

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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.