Home / 5,126.43-7,689.77-2,006.31

Finding the Fourth Proportional to 5,126.43, 7,689.77 and 2,006.31

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Solution

The fourth proportional to 5,126.43, 7,689.77 and 2,006.31 is: 3,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.43 : 7,689.77 = 2,006.31 : x
  2. Step 2: Convert to fraction form
    5,126.43/7,689.77 = 2,006.31/x
  3. Step 3: Cross multiply
    5,126.43x = 7,689.77 × 2,006.31
  4. Step 4: Simplify right side
    5,126.43x = 15,428,062.45
  5. Step 5: Solve for x
    x = 15,428,062.45/5,126.43
  6. Step 6: Final answer
    x = 3,009.51

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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.