Home / 5,539.43-7,642.15-3,551.15

Finding the Fourth Proportional to 5,539.43, 7,642.15 and 3,551.15

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Solution

The fourth proportional to 5,539.43, 7,642.15 and 3,551.15 is: 4,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.43 : 7,642.15 = 3,551.15 : x
  2. Step 2: Convert to fraction form
    5,539.43/7,642.15 = 3,551.15/x
  3. Step 3: Cross multiply
    5,539.43x = 7,642.15 × 3,551.15
  4. Step 4: Simplify right side
    5,539.43x = 27,138,365.01
  5. Step 5: Solve for x
    x = 27,138,365.01/5,539.43
  6. Step 6: Final answer
    x = 4,899.13

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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.