Home / 6,529.94-8,976.65-5,618.12

Finding the Fourth Proportional to 6,529.94, 8,976.65 and 5,618.12

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Solution

The fourth proportional to 6,529.94, 8,976.65 and 5,618.12 is: 7,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,529.94 : 8,976.65 = 5,618.12 : x
  2. Step 2: Convert to fraction form
    6,529.94/8,976.65 = 5,618.12/x
  3. Step 3: Cross multiply
    6,529.94x = 8,976.65 × 5,618.12
  4. Step 4: Simplify right side
    6,529.94x = 50,431,852.01
  5. Step 5: Solve for x
    x = 50,431,852.01/6,529.94
  6. Step 6: Final answer
    x = 7,723.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.