Home / 4,116.95-6,170.99-1,778.05

Finding the Fourth Proportional to 4,116.95, 6,170.99 and 1,778.05

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Solution

The fourth proportional to 4,116.95, 6,170.99 and 1,778.05 is: 2,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.95 : 6,170.99 = 1,778.05 : x
  2. Step 2: Convert to fraction form
    4,116.95/6,170.99 = 1,778.05/x
  3. Step 3: Cross multiply
    4,116.95x = 6,170.99 × 1,778.05
  4. Step 4: Simplify right side
    4,116.95x = 10,972,304.45
  5. Step 5: Solve for x
    x = 10,972,304.45/4,116.95
  6. Step 6: Final answer
    x = 2,665.16

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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.