Home / 4,507.97-6,762.83-1,387.43

Finding the Fourth Proportional to 4,507.97, 6,762.83 and 1,387.43

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Solution

The fourth proportional to 4,507.97, 6,762.83 and 1,387.43 is: 2,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.97 : 6,762.83 = 1,387.43 : x
  2. Step 2: Convert to fraction form
    4,507.97/6,762.83 = 1,387.43/x
  3. Step 3: Cross multiply
    4,507.97x = 6,762.83 × 1,387.43
  4. Step 4: Simplify right side
    4,507.97x = 9,382,912.48
  5. Step 5: Solve for x
    x = 9,382,912.48/4,507.97
  6. Step 6: Final answer
    x = 2,081.41

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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.