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Finding the Fourth Proportional to 6,207.80, 8,566.62 and 3,555.80

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Solution

The fourth proportional to 6,207.80, 8,566.62 and 3,555.80 is: 4,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.80 : 8,566.62 = 3,555.80 : x
  2. Step 2: Convert to fraction form
    6,207.80/8,566.62 = 3,555.80/x
  3. Step 3: Cross multiply
    6,207.80x = 8,566.62 × 3,555.80
  4. Step 4: Simplify right side
    6,207.80x = 30,461,187.40
  5. Step 5: Solve for x
    x = 30,461,187.40/6,207.80
  6. Step 6: Final answer
    x = 4,906.92

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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.