Home / 6,721.63-9,273.67-3,736.89

Finding the Fourth Proportional to 6,721.63, 9,273.67 and 3,736.89

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Solution

The fourth proportional to 6,721.63, 9,273.67 and 3,736.89 is: 5,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.63 : 9,273.67 = 3,736.89 : x
  2. Step 2: Convert to fraction form
    6,721.63/9,273.67 = 3,736.89/x
  3. Step 3: Cross multiply
    6,721.63x = 9,273.67 × 3,736.89
  4. Step 4: Simplify right side
    6,721.63x = 34,654,684.69
  5. Step 5: Solve for x
    x = 34,654,684.69/6,721.63
  6. Step 6: Final answer
    x = 5,155.70

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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.