Home / 4,090.40-6,131.49-1,622.73

Finding the Fourth Proportional to 4,090.40, 6,131.49 and 1,622.73

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Solution

The fourth proportional to 4,090.40, 6,131.49 and 1,622.73 is: 2,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.40 : 6,131.49 = 1,622.73 : x
  2. Step 2: Convert to fraction form
    4,090.40/6,131.49 = 1,622.73/x
  3. Step 3: Cross multiply
    4,090.40x = 6,131.49 × 1,622.73
  4. Step 4: Simplify right side
    4,090.40x = 9,949,752.77
  5. Step 5: Solve for x
    x = 9,949,752.77/4,090.40
  6. Step 6: Final answer
    x = 2,432.46

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1.5x scale

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.