Home / 4,932.70-7,402.28-1,812.72

Finding the Fourth Proportional to 4,932.70, 7,402.28 and 1,812.72

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Solution

The fourth proportional to 4,932.70, 7,402.28 and 1,812.72 is: 2,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.70 : 7,402.28 = 1,812.72 : x
  2. Step 2: Convert to fraction form
    4,932.70/7,402.28 = 1,812.72/x
  3. Step 3: Cross multiply
    4,932.70x = 7,402.28 × 1,812.72
  4. Step 4: Simplify right side
    4,932.70x = 13,418,279.70
  5. Step 5: Solve for x
    x = 13,418,279.70/4,932.70
  6. Step 6: Final answer
    x = 2,720.27

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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.