Home / 5,515.74-8,273.46-1,816.47

Finding the Fourth Proportional to 5,515.74, 8,273.46 and 1,816.47

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Solution

The fourth proportional to 5,515.74, 8,273.46 and 1,816.47 is: 2,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.74 : 8,273.46 = 1,816.47 : x
  2. Step 2: Convert to fraction form
    5,515.74/8,273.46 = 1,816.47/x
  3. Step 3: Cross multiply
    5,515.74x = 8,273.46 × 1,816.47
  4. Step 4: Simplify right side
    5,515.74x = 15,028,491.89
  5. Step 5: Solve for x
    x = 15,028,491.89/5,515.74
  6. Step 6: Final answer
    x = 2,724.66

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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.