Home / 4,340.73-6,509.14-1,378.33

Finding the Fourth Proportional to 4,340.73, 6,509.14 and 1,378.33

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Solution

The fourth proportional to 4,340.73, 6,509.14 and 1,378.33 is: 2,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.73 : 6,509.14 = 1,378.33 : x
  2. Step 2: Convert to fraction form
    4,340.73/6,509.14 = 1,378.33/x
  3. Step 3: Cross multiply
    4,340.73x = 6,509.14 × 1,378.33
  4. Step 4: Simplify right side
    4,340.73x = 8,971,739.49
  5. Step 5: Solve for x
    x = 8,971,739.49/4,340.73
  6. Step 6: Final answer
    x = 2,066.88

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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.