Home / 4,080.20-6,117.48-1,615.29

Finding the Fourth Proportional to 4,080.20, 6,117.48 and 1,615.29

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Solution

The fourth proportional to 4,080.20, 6,117.48 and 1,615.29 is: 2,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.20 : 6,117.48 = 1,615.29 : x
  2. Step 2: Convert to fraction form
    4,080.20/6,117.48 = 1,615.29/x
  3. Step 3: Cross multiply
    4,080.20x = 6,117.48 × 1,615.29
  4. Step 4: Simplify right side
    4,080.20x = 9,881,504.27
  5. Step 5: Solve for x
    x = 9,881,504.27/4,080.20
  6. Step 6: Final answer
    x = 2,421.82

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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.