Home / 4,077.36-6,109.16-2,615.72

Finding the Fourth Proportional to 4,077.36, 6,109.16 and 2,615.72

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Solution

The fourth proportional to 4,077.36, 6,109.16 and 2,615.72 is: 3,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.36 : 6,109.16 = 2,615.72 : x
  2. Step 2: Convert to fraction form
    4,077.36/6,109.16 = 2,615.72/x
  3. Step 3: Cross multiply
    4,077.36x = 6,109.16 × 2,615.72
  4. Step 4: Simplify right side
    4,077.36x = 15,979,808.37
  5. Step 5: Solve for x
    x = 15,979,808.37/4,077.36
  6. Step 6: Final answer
    x = 3,919.16

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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.