Home / 6,505.02-8,976.96-3,520.86

Finding the Fourth Proportional to 6,505.02, 8,976.96 and 3,520.86

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Solution

The fourth proportional to 6,505.02, 8,976.96 and 3,520.86 is: 4,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.02 : 8,976.96 = 3,520.86 : x
  2. Step 2: Convert to fraction form
    6,505.02/8,976.96 = 3,520.86/x
  3. Step 3: Cross multiply
    6,505.02x = 8,976.96 × 3,520.86
  4. Step 4: Simplify right side
    6,505.02x = 31,606,619.39
  5. Step 5: Solve for x
    x = 31,606,619.39/6,505.02
  6. Step 6: Final answer
    x = 4,858.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.