Home / 4,062.20-6,090.60-1,869.80

Finding the Fourth Proportional to 4,062.20, 6,090.60 and 1,869.80

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Solution

The fourth proportional to 4,062.20, 6,090.60 and 1,869.80 is: 2,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062.20 : 6,090.60 = 1,869.80 : x
  2. Step 2: Convert to fraction form
    4,062.20/6,090.60 = 1,869.80/x
  3. Step 3: Cross multiply
    4,062.20x = 6,090.60 × 1,869.80
  4. Step 4: Simplify right side
    4,062.20x = 11,388,203.88
  5. Step 5: Solve for x
    x = 11,388,203.88/4,062.20
  6. Step 6: Final answer
    x = 2,803.46

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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.