Home / 5,145.01-7,716.70-1,634.55

Finding the Fourth Proportional to 5,145.01, 7,716.70 and 1,634.55

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Solution

The fourth proportional to 5,145.01, 7,716.70 and 1,634.55 is: 2,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.01 : 7,716.70 = 1,634.55 : x
  2. Step 2: Convert to fraction form
    5,145.01/7,716.70 = 1,634.55/x
  3. Step 3: Cross multiply
    5,145.01x = 7,716.70 × 1,634.55
  4. Step 4: Simplify right side
    5,145.01x = 12,613,336.07
  5. Step 5: Solve for x
    x = 12,613,336.07/5,145.01
  6. Step 6: Final answer
    x = 2,451.57

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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.