Home / 5,490.66-8,235.99-2,571.02

Finding the Fourth Proportional to 5,490.66, 8,235.99 and 2,571.02

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Solution

The fourth proportional to 5,490.66, 8,235.99 and 2,571.02 is: 3,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.66 : 8,235.99 = 2,571.02 : x
  2. Step 2: Convert to fraction form
    5,490.66/8,235.99 = 2,571.02/x
  3. Step 3: Cross multiply
    5,490.66x = 8,235.99 × 2,571.02
  4. Step 4: Simplify right side
    5,490.66x = 21,174,853.83
  5. Step 5: Solve for x
    x = 21,174,853.83/5,490.66
  6. Step 6: Final answer
    x = 3,856.52

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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.