Home / 7,147.02-10,727.43-3,451.85

Finding the Fourth Proportional to 7,147.02, 10,727.43 and 3,451.85

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Solution

The fourth proportional to 7,147.02, 10,727.43 and 3,451.85 is: 5,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.02 : 10,727.43 = 3,451.85 : x
  2. Step 2: Convert to fraction form
    7,147.02/10,727.43 = 3,451.85/x
  3. Step 3: Cross multiply
    7,147.02x = 10,727.43 × 3,451.85
  4. Step 4: Simplify right side
    7,147.02x = 37,029,479.25
  5. Step 5: Solve for x
    x = 37,029,479.25/7,147.02
  6. Step 6: Final answer
    x = 5,181.11

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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.