Home / 6,320.68-8,724.45-3,668.74

Finding the Fourth Proportional to 6,320.68, 8,724.45 and 3,668.74

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Solution

The fourth proportional to 6,320.68, 8,724.45 and 3,668.74 is: 5,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.68 : 8,724.45 = 3,668.74 : x
  2. Step 2: Convert to fraction form
    6,320.68/8,724.45 = 3,668.74/x
  3. Step 3: Cross multiply
    6,320.68x = 8,724.45 × 3,668.74
  4. Step 4: Simplify right side
    6,320.68x = 32,007,738.69
  5. Step 5: Solve for x
    x = 32,007,738.69/6,320.68
  6. Step 6: Final answer
    x = 5,063.97

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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.