Home / 5,455.96-8,180.52-2,530.51

Finding the Fourth Proportional to 5,455.96, 8,180.52 and 2,530.51

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Solution

The fourth proportional to 5,455.96, 8,180.52 and 2,530.51 is: 3,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.96 : 8,180.52 = 2,530.51 : x
  2. Step 2: Convert to fraction form
    5,455.96/8,180.52 = 2,530.51/x
  3. Step 3: Cross multiply
    5,455.96x = 8,180.52 × 2,530.51
  4. Step 4: Simplify right side
    5,455.96x = 20,700,887.67
  5. Step 5: Solve for x
    x = 20,700,887.67/5,455.96
  6. Step 6: Final answer
    x = 3,794.18

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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.