Home / 5,358.89-7,388.11-3,679.66

Finding the Fourth Proportional to 5,358.89, 7,388.11 and 3,679.66

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Solution

The fourth proportional to 5,358.89, 7,388.11 and 3,679.66 is: 5,073.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.89 : 7,388.11 = 3,679.66 : x
  2. Step 2: Convert to fraction form
    5,358.89/7,388.11 = 3,679.66/x
  3. Step 3: Cross multiply
    5,358.89x = 7,388.11 × 3,679.66
  4. Step 4: Simplify right side
    5,358.89x = 27,185,746.68
  5. Step 5: Solve for x
    x = 27,185,746.68/5,358.89
  6. Step 6: Final answer
    x = 5,073.02

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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.