Home / 5,570.82-7,687.96-3,213.18

Finding the Fourth Proportional to 5,570.82, 7,687.96 and 3,213.18

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Solution

The fourth proportional to 5,570.82, 7,687.96 and 3,213.18 is: 4,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.82 : 7,687.96 = 3,213.18 : x
  2. Step 2: Convert to fraction form
    5,570.82/7,687.96 = 3,213.18/x
  3. Step 3: Cross multiply
    5,570.82x = 7,687.96 × 3,213.18
  4. Step 4: Simplify right side
    5,570.82x = 24,702,799.31
  5. Step 5: Solve for x
    x = 24,702,799.31/5,570.82
  6. Step 6: Final answer
    x = 4,434.32

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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.