Home / 5,521.53-7,618.86-3,163.22

Finding the Fourth Proportional to 5,521.53, 7,618.86 and 3,163.22

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Solution

The fourth proportional to 5,521.53, 7,618.86 and 3,163.22 is: 4,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.53 : 7,618.86 = 3,163.22 : x
  2. Step 2: Convert to fraction form
    5,521.53/7,618.86 = 3,163.22/x
  3. Step 3: Cross multiply
    5,521.53x = 7,618.86 × 3,163.22
  4. Step 4: Simplify right side
    5,521.53x = 24,100,120.81
  5. Step 5: Solve for x
    x = 24,100,120.81/5,521.53
  6. Step 6: Final answer
    x = 4,364.75

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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.