Home / 4,736.90-7,107.40-2,543.07

Finding the Fourth Proportional to 4,736.90, 7,107.40 and 2,543.07

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Solution

The fourth proportional to 4,736.90, 7,107.40 and 2,543.07 is: 3,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,736.90 : 7,107.40 = 2,543.07 : x
  2. Step 2: Convert to fraction form
    4,736.90/7,107.40 = 2,543.07/x
  3. Step 3: Cross multiply
    4,736.90x = 7,107.40 × 2,543.07
  4. Step 4: Simplify right side
    4,736.90x = 18,074,615.72
  5. Step 5: Solve for x
    x = 18,074,615.72/4,736.90
  6. Step 6: Final answer
    x = 3,815.71

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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.