Home / 4,814.97-7,222.46-1,305

Finding the Fourth Proportional to 4,814.97, 7,222.46 and 1,305

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Solution

The fourth proportional to 4,814.97, 7,222.46 and 1,305 is: 1,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.97 : 7,222.46 = 1,305 : x
  2. Step 2: Convert to fraction form
    4,814.97/7,222.46 = 1,305/x
  3. Step 3: Cross multiply
    4,814.97x = 7,222.46 × 1,305
  4. Step 4: Simplify right side
    4,814.97x = 9,425,310.30
  5. Step 5: Solve for x
    x = 9,425,310.30/4,814.97
  6. Step 6: Final answer
    x = 1,957.50

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Double scale
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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.