Home / 4,077.30-6,111.77-2,761.19

Finding the Fourth Proportional to 4,077.30, 6,111.77 and 2,761.19

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Solution

The fourth proportional to 4,077.30, 6,111.77 and 2,761.19 is: 4,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.30 : 6,111.77 = 2,761.19 : x
  2. Step 2: Convert to fraction form
    4,077.30/6,111.77 = 2,761.19/x
  3. Step 3: Cross multiply
    4,077.30x = 6,111.77 × 2,761.19
  4. Step 4: Simplify right side
    4,077.30x = 16,875,752.29
  5. Step 5: Solve for x
    x = 16,875,752.29/4,077.30
  6. Step 6: Final answer
    x = 4,138.95

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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.