Home / 6,605.24-9,115.23-3,621.18

Finding the Fourth Proportional to 6,605.24, 9,115.23 and 3,621.18

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Solution

The fourth proportional to 6,605.24, 9,115.23 and 3,621.18 is: 4,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.24 : 9,115.23 = 3,621.18 : x
  2. Step 2: Convert to fraction form
    6,605.24/9,115.23 = 3,621.18/x
  3. Step 3: Cross multiply
    6,605.24x = 9,115.23 × 3,621.18
  4. Step 4: Simplify right side
    6,605.24x = 33,007,888.57
  5. Step 5: Solve for x
    x = 33,007,888.57/6,605.24
  6. Step 6: Final answer
    x = 4,997.23

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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.