Home / 4,892.26-7,338.40-1,429.52

Finding the Fourth Proportional to 4,892.26, 7,338.40 and 1,429.52

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Solution

The fourth proportional to 4,892.26, 7,338.40 and 1,429.52 is: 2,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.26 : 7,338.40 = 1,429.52 : x
  2. Step 2: Convert to fraction form
    4,892.26/7,338.40 = 1,429.52/x
  3. Step 3: Cross multiply
    4,892.26x = 7,338.40 × 1,429.52
  4. Step 4: Simplify right side
    4,892.26x = 10,490,389.57
  5. Step 5: Solve for x
    x = 10,490,389.57/4,892.26
  6. Step 6: Final answer
    x = 2,144.28

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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.