Home / 4,507.38-6,761.31-1,429.62

Finding the Fourth Proportional to 4,507.38, 6,761.31 and 1,429.62

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Solution

The fourth proportional to 4,507.38, 6,761.31 and 1,429.62 is: 2,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.38 : 6,761.31 = 1,429.62 : x
  2. Step 2: Convert to fraction form
    4,507.38/6,761.31 = 1,429.62/x
  3. Step 3: Cross multiply
    4,507.38x = 6,761.31 × 1,429.62
  4. Step 4: Simplify right side
    4,507.38x = 9,666,104.00
  5. Step 5: Solve for x
    x = 9,666,104.00/4,507.38
  6. Step 6: Final answer
    x = 2,144.51

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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.