Home / 4,941.72-7,408.20-1,865.88

Finding the Fourth Proportional to 4,941.72, 7,408.20 and 1,865.88

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Solution

The fourth proportional to 4,941.72, 7,408.20 and 1,865.88 is: 2,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.72 : 7,408.20 = 1,865.88 : x
  2. Step 2: Convert to fraction form
    4,941.72/7,408.20 = 1,865.88/x
  3. Step 3: Cross multiply
    4,941.72x = 7,408.20 × 1,865.88
  4. Step 4: Simplify right side
    4,941.72x = 13,822,812.22
  5. Step 5: Solve for x
    x = 13,822,812.22/4,941.72
  6. Step 6: Final answer
    x = 2,797.17

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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.