Home / 5,202.40-7,170.78-4,081.36

Finding the Fourth Proportional to 5,202.40, 7,170.78 and 4,081.36

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Solution

The fourth proportional to 5,202.40, 7,170.78 and 4,081.36 is: 5,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.40 : 7,170.78 = 4,081.36 : x
  2. Step 2: Convert to fraction form
    5,202.40/7,170.78 = 4,081.36/x
  3. Step 3: Cross multiply
    5,202.40x = 7,170.78 × 4,081.36
  4. Step 4: Simplify right side
    5,202.40x = 29,266,534.66
  5. Step 5: Solve for x
    x = 29,266,534.66/5,202.40
  6. Step 6: Final answer
    x = 5,625.58

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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.