Home / 5,104.55-7,656.82-1,406.81

Finding the Fourth Proportional to 5,104.55, 7,656.82 and 1,406.81

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Solution

The fourth proportional to 5,104.55, 7,656.82 and 1,406.81 is: 2,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.55 : 7,656.82 = 1,406.81 : x
  2. Step 2: Convert to fraction form
    5,104.55/7,656.82 = 1,406.81/x
  3. Step 3: Cross multiply
    5,104.55x = 7,656.82 × 1,406.81
  4. Step 4: Simplify right side
    5,104.55x = 10,771,690.94
  5. Step 5: Solve for x
    x = 10,771,690.94/5,104.55
  6. Step 6: Final answer
    x = 2,110.22

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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.