Home / 4,300.39-6,448.67-1,489.48

Finding the Fourth Proportional to 4,300.39, 6,448.67 and 1,489.48

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Solution

The fourth proportional to 4,300.39, 6,448.67 and 1,489.48 is: 2,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.39 : 6,448.67 = 1,489.48 : x
  2. Step 2: Convert to fraction form
    4,300.39/6,448.67 = 1,489.48/x
  3. Step 3: Cross multiply
    4,300.39x = 6,448.67 × 1,489.48
  4. Step 4: Simplify right side
    4,300.39x = 9,605,164.99
  5. Step 5: Solve for x
    x = 9,605,164.99/4,300.39
  6. Step 6: Final answer
    x = 2,233.56

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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.