Home / 7,489.43-11,230.67-4,370.33

Finding the Fourth Proportional to 7,489.43, 11,230.67 and 4,370.33

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Solution

The fourth proportional to 7,489.43, 11,230.67 and 4,370.33 is: 6,553.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.43 : 11,230.67 = 4,370.33 : x
  2. Step 2: Convert to fraction form
    7,489.43/11,230.67 = 4,370.33/x
  3. Step 3: Cross multiply
    7,489.43x = 11,230.67 × 4,370.33
  4. Step 4: Simplify right side
    7,489.43x = 49,081,712.17
  5. Step 5: Solve for x
    x = 49,081,712.17/7,489.43
  6. Step 6: Final answer
    x = 6,553.47

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1.5x scale

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.