Home / 6,120.75-8,446.70-3,326.25

Finding the Fourth Proportional to 6,120.75, 8,446.70 and 3,326.25

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Solution

The fourth proportional to 6,120.75, 8,446.70 and 3,326.25 is: 4,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.75 : 8,446.70 = 3,326.25 : x
  2. Step 2: Convert to fraction form
    6,120.75/8,446.70 = 3,326.25/x
  3. Step 3: Cross multiply
    6,120.75x = 8,446.70 × 3,326.25
  4. Step 4: Simplify right side
    6,120.75x = 28,095,844.19
  5. Step 5: Solve for x
    x = 28,095,844.19/6,120.75
  6. Step 6: Final answer
    x = 4,590.26

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Half scale
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Double scale
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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.