Home / 5,258.76-7,257.21-3,021.33

Finding the Fourth Proportional to 5,258.76, 7,257.21 and 3,021.33

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Solution

The fourth proportional to 5,258.76, 7,257.21 and 3,021.33 is: 4,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.76 : 7,257.21 = 3,021.33 : x
  2. Step 2: Convert to fraction form
    5,258.76/7,257.21 = 3,021.33/x
  3. Step 3: Cross multiply
    5,258.76x = 7,257.21 × 3,021.33
  4. Step 4: Simplify right side
    5,258.76x = 21,926,426.29
  5. Step 5: Solve for x
    x = 21,926,426.29/5,258.76
  6. Step 6: Final answer
    x = 4,169.51

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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.