Home / 4,077.36-6,115.32-1,611.36

Finding the Fourth Proportional to 4,077.36, 6,115.32 and 1,611.36

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Solution

The fourth proportional to 4,077.36, 6,115.32 and 1,611.36 is: 2,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.36 : 6,115.32 = 1,611.36 : x
  2. Step 2: Convert to fraction form
    4,077.36/6,115.32 = 1,611.36/x
  3. Step 3: Cross multiply
    4,077.36x = 6,115.32 × 1,611.36
  4. Step 4: Simplify right side
    4,077.36x = 9,853,982.04
  5. Step 5: Solve for x
    x = 9,853,982.04/4,077.36
  6. Step 6: Final answer
    x = 2,416.76

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1.5x scale

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.