Home / 6,784.87-9,363.59-3,800.65

Finding the Fourth Proportional to 6,784.87, 9,363.59 and 3,800.65

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Solution

The fourth proportional to 6,784.87, 9,363.59 and 3,800.65 is: 5,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.87 : 9,363.59 = 3,800.65 : x
  2. Step 2: Convert to fraction form
    6,784.87/9,363.59 = 3,800.65/x
  3. Step 3: Cross multiply
    6,784.87x = 9,363.59 × 3,800.65
  4. Step 4: Simplify right side
    6,784.87x = 35,587,728.33
  5. Step 5: Solve for x
    x = 35,587,728.33/6,784.87
  6. Step 6: Final answer
    x = 5,245.16

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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.