Home / 5,151.06-7,727.90-2,810.43

Finding the Fourth Proportional to 5,151.06, 7,727.90 and 2,810.43

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Solution

The fourth proportional to 5,151.06, 7,727.90 and 2,810.43 is: 4,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.06 : 7,727.90 = 2,810.43 : x
  2. Step 2: Convert to fraction form
    5,151.06/7,727.90 = 2,810.43/x
  3. Step 3: Cross multiply
    5,151.06x = 7,727.90 × 2,810.43
  4. Step 4: Simplify right side
    5,151.06x = 21,718,707.94
  5. Step 5: Solve for x
    x = 21,718,707.94/5,151.06
  6. Step 6: Final answer
    x = 4,216.36

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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.