Home / 5,515.14-8,270.93-1,816.49

Finding the Fourth Proportional to 5,515.14, 8,270.93 and 1,816.49

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Solution

The fourth proportional to 5,515.14, 8,270.93 and 1,816.49 is: 2,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.14 : 8,270.93 = 1,816.49 : x
  2. Step 2: Convert to fraction form
    5,515.14/8,270.93 = 1,816.49/x
  3. Step 3: Cross multiply
    5,515.14x = 8,270.93 × 1,816.49
  4. Step 4: Simplify right side
    5,515.14x = 15,024,036.42
  5. Step 5: Solve for x
    x = 15,024,036.42/5,515.14
  6. Step 6: Final answer
    x = 2,724.15

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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.