Home / 4,291.06-6,430.77-1,822.79

Finding the Fourth Proportional to 4,291.06, 6,430.77 and 1,822.79

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Solution

The fourth proportional to 4,291.06, 6,430.77 and 1,822.79 is: 2,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.06 : 6,430.77 = 1,822.79 : x
  2. Step 2: Convert to fraction form
    4,291.06/6,430.77 = 1,822.79/x
  3. Step 3: Cross multiply
    4,291.06x = 6,430.77 × 1,822.79
  4. Step 4: Simplify right side
    4,291.06x = 11,721,943.25
  5. Step 5: Solve for x
    x = 11,721,943.25/4,291.06
  6. Step 6: Final answer
    x = 2,731.71

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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.