Home / 5,540.43-7,642.40-3,772.83

Finding the Fourth Proportional to 5,540.43, 7,642.40 and 3,772.83

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Solution

The fourth proportional to 5,540.43, 7,642.40 and 3,772.83 is: 5,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.43 : 7,642.40 = 3,772.83 : x
  2. Step 2: Convert to fraction form
    5,540.43/7,642.40 = 3,772.83/x
  3. Step 3: Cross multiply
    5,540.43x = 7,642.40 × 3,772.83
  4. Step 4: Simplify right side
    5,540.43x = 28,833,457.13
  5. Step 5: Solve for x
    x = 28,833,457.13/5,540.43
  6. Step 6: Final answer
    x = 5,204.19

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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.