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Finding the Fourth Proportional to 6,505.80, 8,982.24 and 5,011.08

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Solution

The fourth proportional to 6,505.80, 8,982.24 and 5,011.08 is: 6,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.80 : 8,982.24 = 5,011.08 : x
  2. Step 2: Convert to fraction form
    6,505.80/8,982.24 = 5,011.08/x
  3. Step 3: Cross multiply
    6,505.80x = 8,982.24 × 5,011.08
  4. Step 4: Simplify right side
    6,505.80x = 45,010,723.22
  5. Step 5: Solve for x
    x = 45,010,723.22/6,505.80
  6. Step 6: Final answer
    x = 6,918.55

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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.