Home / 6,733.74-9,285.39-3,938.70

Finding the Fourth Proportional to 6,733.74, 9,285.39 and 3,938.70

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Solution

The fourth proportional to 6,733.74, 9,285.39 and 3,938.70 is: 5,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,733.74 : 9,285.39 = 3,938.70 : x
  2. Step 2: Convert to fraction form
    6,733.74/9,285.39 = 3,938.70/x
  3. Step 3: Cross multiply
    6,733.74x = 9,285.39 × 3,938.70
  4. Step 4: Simplify right side
    6,733.74x = 36,572,365.59
  5. Step 5: Solve for x
    x = 36,572,365.59/6,733.74
  6. Step 6: Final answer
    x = 5,431.21

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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.