Home / 5,528.13-7,628.88-3,170.49

Finding the Fourth Proportional to 5,528.13, 7,628.88 and 3,170.49

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Solution

The fourth proportional to 5,528.13, 7,628.88 and 3,170.49 is: 4,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.13 : 7,628.88 = 3,170.49 : x
  2. Step 2: Convert to fraction form
    5,528.13/7,628.88 = 3,170.49/x
  3. Step 3: Cross multiply
    5,528.13x = 7,628.88 × 3,170.49
  4. Step 4: Simplify right side
    5,528.13x = 24,187,287.75
  5. Step 5: Solve for x
    x = 24,187,287.75/5,528.13
  6. Step 6: Final answer
    x = 4,375.31

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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.