Home / 6,605.31-9,114.96-3,620.55

Finding the Fourth Proportional to 6,605.31, 9,114.96 and 3,620.55

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Solution

The fourth proportional to 6,605.31, 9,114.96 and 3,620.55 is: 4,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.31 : 9,114.96 = 3,620.55 : x
  2. Step 2: Convert to fraction form
    6,605.31/9,114.96 = 3,620.55/x
  3. Step 3: Cross multiply
    6,605.31x = 9,114.96 × 3,620.55
  4. Step 4: Simplify right side
    6,605.31x = 33,001,168.43
  5. Step 5: Solve for x
    x = 33,001,168.43/6,605.31
  6. Step 6: Final answer
    x = 4,996.16

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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.