Home / 5,210.82-7,816.23-3,154.50

Finding the Fourth Proportional to 5,210.82, 7,816.23 and 3,154.50

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Solution

The fourth proportional to 5,210.82, 7,816.23 and 3,154.50 is: 4,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.82 : 7,816.23 = 3,154.50 : x
  2. Step 2: Convert to fraction form
    5,210.82/7,816.23 = 3,154.50/x
  3. Step 3: Cross multiply
    5,210.82x = 7,816.23 × 3,154.50
  4. Step 4: Simplify right side
    5,210.82x = 24,656,297.54
  5. Step 5: Solve for x
    x = 24,656,297.54/5,210.82
  6. Step 6: Final answer
    x = 4,731.75

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Similar ratio
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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.