Home / 6,767.64-9,338.88-3,783.40

Finding the Fourth Proportional to 6,767.64, 9,338.88 and 3,783.40

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Solution

The fourth proportional to 6,767.64, 9,338.88 and 3,783.40 is: 5,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.64 : 9,338.88 = 3,783.40 : x
  2. Step 2: Convert to fraction form
    6,767.64/9,338.88 = 3,783.40/x
  3. Step 3: Cross multiply
    6,767.64x = 9,338.88 × 3,783.40
  4. Step 4: Simplify right side
    6,767.64x = 35,332,718.59
  5. Step 5: Solve for x
    x = 35,332,718.59/6,767.64
  6. Step 6: Final answer
    x = 5,220.83

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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.