Home / 5,521.57-7,618.05-3,163.25

Finding the Fourth Proportional to 5,521.57, 7,618.05 and 3,163.25

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Solution

The fourth proportional to 5,521.57, 7,618.05 and 3,163.25 is: 4,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.57 : 7,618.05 = 3,163.25 : x
  2. Step 2: Convert to fraction form
    5,521.57/7,618.05 = 3,163.25/x
  3. Step 3: Cross multiply
    5,521.57x = 7,618.05 × 3,163.25
  4. Step 4: Simplify right side
    5,521.57x = 24,097,815.71
  5. Step 5: Solve for x
    x = 24,097,815.71/5,521.57
  6. Step 6: Final answer
    x = 4,364.31

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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.