Home / 7,381.33-11,121.71-6,585.50

Finding the Fourth Proportional to 7,381.33, 11,121.71 and 6,585.50

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Solution

The fourth proportional to 7,381.33, 11,121.71 and 6,585.50 is: 9,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.33 : 11,121.71 = 6,585.50 : x
  2. Step 2: Convert to fraction form
    7,381.33/11,121.71 = 6,585.50/x
  3. Step 3: Cross multiply
    7,381.33x = 11,121.71 × 6,585.50
  4. Step 4: Simplify right side
    7,381.33x = 73,242,016.08
  5. Step 5: Solve for x
    x = 73,242,016.08/7,381.33
  6. Step 6: Final answer
    x = 9,922.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.