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Finding the Fourth Proportional to 6,505.80, 8,976.18 and 4,267.32

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Solution

The fourth proportional to 6,505.80, 8,976.18 and 4,267.32 is: 5,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.80 : 8,976.18 = 4,267.32 : x
  2. Step 2: Convert to fraction form
    6,505.80/8,976.18 = 4,267.32/x
  3. Step 3: Cross multiply
    6,505.80x = 8,976.18 × 4,267.32
  4. Step 4: Simplify right side
    6,505.80x = 38,304,232.44
  5. Step 5: Solve for x
    x = 38,304,232.44/6,505.80
  6. Step 6: Final answer
    x = 5,887.71

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1.5x scale

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.