Home / 5,110.02-7,663.41-2,187.54

Finding the Fourth Proportional to 5,110.02, 7,663.41 and 2,187.54

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Solution

The fourth proportional to 5,110.02, 7,663.41 and 2,187.54 is: 3,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.02 : 7,663.41 = 2,187.54 : x
  2. Step 2: Convert to fraction form
    5,110.02/7,663.41 = 2,187.54/x
  3. Step 3: Cross multiply
    5,110.02x = 7,663.41 × 2,187.54
  4. Step 4: Simplify right side
    5,110.02x = 16,764,015.91
  5. Step 5: Solve for x
    x = 16,764,015.91/5,110.02
  6. Step 6: Final answer
    x = 3,280.62

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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.