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Finding the Fourth Proportional to 6,318.04, 8,718.18 and 3,664.84

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Solution

The fourth proportional to 6,318.04, 8,718.18 and 3,664.84 is: 5,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.04 : 8,718.18 = 3,664.84 : x
  2. Step 2: Convert to fraction form
    6,318.04/8,718.18 = 3,664.84/x
  3. Step 3: Cross multiply
    6,318.04x = 8,718.18 × 3,664.84
  4. Step 4: Simplify right side
    6,318.04x = 31,950,734.79
  5. Step 5: Solve for x
    x = 31,950,734.79/6,318.04
  6. Step 6: Final answer
    x = 5,057.06

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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.