Home / 4,090.01-5,638.55-2,761.61

Finding the Fourth Proportional to 4,090.01, 5,638.55 and 2,761.61

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Solution

The fourth proportional to 4,090.01, 5,638.55 and 2,761.61 is: 3,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.01 : 5,638.55 = 2,761.61 : x
  2. Step 2: Convert to fraction form
    4,090.01/5,638.55 = 2,761.61/x
  3. Step 3: Cross multiply
    4,090.01x = 5,638.55 × 2,761.61
  4. Step 4: Simplify right side
    4,090.01x = 15,571,462.26
  5. Step 5: Solve for x
    x = 15,571,462.26/4,090.01
  6. Step 6: Final answer
    x = 3,807.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.