Home / 5,152.56-7,110.36-3,163.20

Finding the Fourth Proportional to 5,152.56, 7,110.36 and 3,163.20

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Solution

The fourth proportional to 5,152.56, 7,110.36 and 3,163.20 is: 4,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.56 : 7,110.36 = 3,163.20 : x
  2. Step 2: Convert to fraction form
    5,152.56/7,110.36 = 3,163.20/x
  3. Step 3: Cross multiply
    5,152.56x = 7,110.36 × 3,163.20
  4. Step 4: Simplify right side
    5,152.56x = 22,491,490.75
  5. Step 5: Solve for x
    x = 22,491,490.75/5,152.56
  6. Step 6: Final answer
    x = 4,365.11

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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.