Home / 5,114.39-7,677.28-2,648.55

Finding the Fourth Proportional to 5,114.39, 7,677.28 and 2,648.55

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Solution

The fourth proportional to 5,114.39, 7,677.28 and 2,648.55 is: 3,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.39 : 7,677.28 = 2,648.55 : x
  2. Step 2: Convert to fraction form
    5,114.39/7,677.28 = 2,648.55/x
  3. Step 3: Cross multiply
    5,114.39x = 7,677.28 × 2,648.55
  4. Step 4: Simplify right side
    5,114.39x = 20,333,659.94
  5. Step 5: Solve for x
    x = 20,333,659.94/5,114.39
  6. Step 6: Final answer
    x = 3,975.77

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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.