Home / 4,077.76-6,118.82-1,612.62

Finding the Fourth Proportional to 4,077.76, 6,118.82 and 1,612.62

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Solution

The fourth proportional to 4,077.76, 6,118.82 and 1,612.62 is: 2,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.76 : 6,118.82 = 1,612.62 : x
  2. Step 2: Convert to fraction form
    4,077.76/6,118.82 = 1,612.62/x
  3. Step 3: Cross multiply
    4,077.76x = 6,118.82 × 1,612.62
  4. Step 4: Simplify right side
    4,077.76x = 9,867,331.51
  5. Step 5: Solve for x
    x = 9,867,331.51/4,077.76
  6. Step 6: Final answer
    x = 2,419.79

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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.