Home / 6,211.48-9,320.94-2,318.62

Finding the Fourth Proportional to 6,211.48, 9,320.94 and 2,318.62

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Solution

The fourth proportional to 6,211.48, 9,320.94 and 2,318.62 is: 3,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.48 : 9,320.94 = 2,318.62 : x
  2. Step 2: Convert to fraction form
    6,211.48/9,320.94 = 2,318.62/x
  3. Step 3: Cross multiply
    6,211.48x = 9,320.94 × 2,318.62
  4. Step 4: Simplify right side
    6,211.48x = 21,611,717.90
  5. Step 5: Solve for x
    x = 21,611,717.90/6,211.48
  6. Step 6: Final answer
    x = 3,479.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.