Home / 7,129.43-10,690.33-2,383.50

Finding the Fourth Proportional to 7,129.43, 10,690.33 and 2,383.50

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Solution

The fourth proportional to 7,129.43, 10,690.33 and 2,383.50 is: 3,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.43 : 10,690.33 = 2,383.50 : x
  2. Step 2: Convert to fraction form
    7,129.43/10,690.33 = 2,383.50/x
  3. Step 3: Cross multiply
    7,129.43x = 10,690.33 × 2,383.50
  4. Step 4: Simplify right side
    7,129.43x = 25,480,401.56
  5. Step 5: Solve for x
    x = 25,480,401.56/7,129.43
  6. Step 6: Final answer
    x = 3,573.97

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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.