Home / 4,080.08-6,119.21-1,615.46

Finding the Fourth Proportional to 4,080.08, 6,119.21 and 1,615.46

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Solution

The fourth proportional to 4,080.08, 6,119.21 and 1,615.46 is: 2,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.08 : 6,119.21 = 1,615.46 : x
  2. Step 2: Convert to fraction form
    4,080.08/6,119.21 = 1,615.46/x
  3. Step 3: Cross multiply
    4,080.08x = 6,119.21 × 1,615.46
  4. Step 4: Simplify right side
    4,080.08x = 9,885,312.43
  5. Step 5: Solve for x
    x = 9,885,312.43/4,080.08
  6. Step 6: Final answer
    x = 2,422.82

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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.