Home / 6,605.56-9,116.25-3,621.98

Finding the Fourth Proportional to 6,605.56, 9,116.25 and 3,621.98

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Solution

The fourth proportional to 6,605.56, 9,116.25 and 3,621.98 is: 4,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.56 : 9,116.25 = 3,621.98 : x
  2. Step 2: Convert to fraction form
    6,605.56/9,116.25 = 3,621.98/x
  3. Step 3: Cross multiply
    6,605.56x = 9,116.25 × 3,621.98
  4. Step 4: Simplify right side
    6,605.56x = 33,018,816.01
  5. Step 5: Solve for x
    x = 33,018,816.01/6,605.56
  6. Step 6: Final answer
    x = 4,998.64

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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.