Home / 4,080.34-6,120.51-2,615.86

Finding the Fourth Proportional to 4,080.34, 6,120.51 and 2,615.86

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Solution

The fourth proportional to 4,080.34, 6,120.51 and 2,615.86 is: 3,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.34 : 6,120.51 = 2,615.86 : x
  2. Step 2: Convert to fraction form
    4,080.34/6,120.51 = 2,615.86/x
  3. Step 3: Cross multiply
    4,080.34x = 6,120.51 × 2,615.86
  4. Step 4: Simplify right side
    4,080.34x = 16,010,397.29
  5. Step 5: Solve for x
    x = 16,010,397.29/4,080.34
  6. Step 6: Final answer
    x = 3,923.79

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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.