Home / 3,889.20-5,822.84-3,495.54

Finding the Fourth Proportional to 3,889.20, 5,822.84 and 3,495.54

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Solution

The fourth proportional to 3,889.20, 5,822.84 and 3,495.54 is: 5,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.20 : 5,822.84 = 3,495.54 : x
  2. Step 2: Convert to fraction form
    3,889.20/5,822.84 = 3,495.54/x
  3. Step 3: Cross multiply
    3,889.20x = 5,822.84 × 3,495.54
  4. Step 4: Simplify right side
    3,889.20x = 20,353,970.13
  5. Step 5: Solve for x
    x = 20,353,970.13/3,889.20
  6. Step 6: Final answer
    x = 5,233.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.