Home / 4,080.60-6,120.06-1,615.50

Finding the Fourth Proportional to 4,080.60, 6,120.06 and 1,615.50

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Solution

The fourth proportional to 4,080.60, 6,120.06 and 1,615.50 is: 2,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.60 : 6,120.06 = 1,615.50 : x
  2. Step 2: Convert to fraction form
    4,080.60/6,120.06 = 1,615.50/x
  3. Step 3: Cross multiply
    4,080.60x = 6,120.06 × 1,615.50
  4. Step 4: Simplify right side
    4,080.60x = 9,886,956.93
  5. Step 5: Solve for x
    x = 9,886,956.93/4,080.60
  6. Step 6: Final answer
    x = 2,422.92

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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.